—ThewomanbiologiststayedinAfricastudyingwildanimalsfor1...
问题详情:
—The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
—Oh, dear! She _______ a lot of difficulties!
A. may go through B. must have gone through
C. ought to have gone through D. might go through
【回答】
B
知识点:情态动词
题型:选择题