Experiments in the photography of moving objects ________ in both the United States and Europe well before 1990.
A. have been conducting
B. were conducting
C. had been conducted
D. are conducted
Today, people live in a world ________ new technology is taking an increasing proportion in
Weather ________, there will be an open air party with live music here this weekend.
B. should permit
C. will permit
When workers are organized in trade unions, employers find it hard to lay them ________.
We are sure that ________ to do this face to face, he would express himself more easily.
A. were he to try
B. would he try
C. was he trying
D. if he tries
Their different attitudes to the difficulties ________ different results.
A. arrived at
B. led to
C. caused by
D. turned out
The ATMs enable bank customers to access their money 24 hours a day ________ ATMs are located.
If the work ________ by the end of this month is delayed, the construction company will be heavily fined.
A. is completed
B. to be completed
C. will have been completed
D. will be completed
If you travel through the villages in the small local buses, you will swiftly come into close ________ with the local people.
It's hard to remember a name when one doesn't have a face to go with ________.
Scientists estimate that about 530,000 other objects, too small to detect with radar, ________ the Earth too.
A. being circled
B. are circling
C. are to be circling
D. are being circled
In ________ of speed, safety and price, the hi-railway system is perhaps the world's model railway.
Never before ________ seen any lady who can play tennis as well as Maria.
A. had he
B. he had
C. has he
D. he has
Young people are redefining for themselves ________ it means to be a man or a woman.
________ is often the case with a new idea, more conditions should be considered.
The older I get, the more I value friends, yet the ________ time I have in maintaining old friendship.
A new system of quality control was ________ to overcome the shortcomings in the firm's products.
This is a demanding task — but I see it as the real challenge we need to ________.
Silence is required in this area while an important meeting is ________.
A. under way
B. under control
C. in sight
D. in danger
I must decline it because the conditions you offered are not ________.
It is reported that 30 percent of the world population have no ________ to clean drinking water and health care.
Top graduates from universities are often ________ by major international companies.
Jenny was looking for a seat when, luckily, a man ________ and left.
A. took up
B. got up
C. shut up
D. set up
Everything comes with a ________, that is, there's no such thing as a free lunch in the world.
Just as Professor Scotti often ________ it, success is ninety-nine percent mental attitude.
The medicine works more ________ if you drink some hot water after taking it.
The climate in London is quite pleasant, the temperature rarely, if any, ________ 30℃.
C. has reached
Children ________ by their parents are allowed to enter the stadium.
B. having accompanied
D. to accompany
Women often ________ about men's absent mind when they are talking.
Reducing the size of classes in schools is a ________ aim in the near future.
Please ________ us of any changes in your circumstances when you are away from home.
They had little ________ but to agree to what he suggested.
You must do what works for you, not ________ what works for other people.
She can't speak Spanish so she felt a bit ________ among a group of Latin American visitors.
A. out of order
B. out of date
C. out of place
D. out of sight
He got injured because of his faulty brakes. He ________ to see if his brakes were working properly.
A. must check
B. should check
C. must have checked
D. should have checked
I need the job badly, as my money ________ out by the end of next month.
A. has run
B. will run
C. will have run
D. will be running
True friendship is like health, ________ is seldom known till it is lost .
A. the value of which
B. its value
C. the value of it
D. which the value
The heavy storm yesterday set the record for the heaviest rainfall ________ in a single day.
A. to measure
D. having measured
Soccer, the most popular ________ ever created by man, attracts countless fans worldwide.
________ the Smiths have moved away, we can still see them from time to time.
A. As long as
B. As far as
C. As though
D. Even though
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