1. For some time now, world leaders _______ out the necessity for agreement on arms reduction.
A. had been pointing
B. have been pointing
C. were pointing
D. pointed

2. Mr.White works with a chemical import&export company, but he _______ for the industrial fair, since he is on leave.
A. has worked
B. works
C. has been working
D. is working

3. That was not the first time he ________ us. I think it's high time we ________ strong actions against him.
A. betrayed; take
B. had betrayed; took
C. has betrayed; took
D. has betrayed; take

4. The policeman declared that the blow on the victim's head ________ from behind.
A. should have been made
B. must have been made
C. would have been made
D. ought to have been made

5. ________ the financial means to remain independent, Thomas Edison was compelled to seek employment as a night telegraph operator.
A. He was deprived of
B. Deprived of
C. That he was deprived of
D. Although he was deprived of

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