________we can’t get the necessary equipment, what shall we do?
A. Since
B. Supposing
C. As long as
D. In case of
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The detective's car was stolen, and this caused him much ____________.
A. shyness
B. embarrassment
C. bother
D. content
The manager told us never to ______ till tomorrow what we can do today.
A. come up
B. put off
C. turn to
D. give out
The manager of the company insisted that all the staff members________ the news safety rules.
A. would observe
B. observe
C. observed
D. will observe
It is encouraging to note that in recent years cigarette smokers have been________ .
A. towards the decline
B. on the decline
C. in the decline
D. at the decline