—ThewomanbiologiststayedinAfricastudyingwildanimalsfor...
来源：语文精选馆 2.07W
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. might go through
C. ought to have gone through D. must have gone through
【回答】
D
知识点：虚拟语气与情态动词
题型：选择题
