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
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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
38.It will take a long time__________around the country.
A. to travelling
B. to travel
C. travel
D. travelling
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