为什么选C请逐项分析,
题目
为什么选C请逐项分析,
-The woman biologist stayed in Africa studying wild animals for 13years 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
答案
A,B 时态不对
D must的肯定级别大于ought to(只推测)
举一反三
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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