题目内容
— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
— Oh, dear! She _____ a lot of difficulties!
— Oh, dear! She _____ a lot of difficulties!
[ ]
A. may go through
B. might go through
C. ought to have gone through
D. must have gone through
B. might go through
C. ought to have gone through
D. must have gone through
D
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