33.“__________will you finish the job?”“In ten minutes.”
A. How often
B. How long
C. How soon
D. How many times
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34.No one can be sure__________in a million years.
A. what man will look like
B. what will man look like
C. man will look like what
D. what look will man like
35.His parents wouldn't let him marry anyone__________family was poor.
A. of whom
B. whom
C. of whose
D. whose
36.We won't give up__________we should fail ten times.
A. even if
B. since
C. whether
D. until
37.Sally couldn't have written to him, or he__________received her letter.
A. has
B. had
C. would have
D. could have