He talked as if he______there before.
A. used to be
B. was
C. had been
D. had gone
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By the end of 2002 we______more than 5 000 teachers of English all over the province.
A. trained
B. had trained
C. would have trained
D. have trained
One of the major reasons for having ISA fixed in a car is to______.
A. replace policemen with a new device
B. warn drivers of possible accidents
C. have traffic accidents greatly reduced
D. introduce fuel-efficient equipment
The word "apprehensive" in the third paragraph probably means______.
A. disappointed
B. worried
C. doubted
D. unhappy
The origin of language is____.
A. a legend handed down from the past
B. a matter that is hidden secretly
C. a question difficult to answer
D. a problem not yet solved
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