2018年大学英语B级考试题库原题——情态动词练习
How______you say that you really understand the whole story if you have only covered only part of the article?
A. can
B. must
C. need
D. may
参考答案：A
解题思路：
如果你只看了文章的一部分，怎么能说你真的了解整个故事?
1)The young lady coming over to us ______ our English teacher; the way she walks tells us that!
A. must be
B. can be
C. would be
D. could be
参考答案：A。
解题思路：
从后面的进一步解释中我们可以看到说话人语气十分肯定，表示对……很有把握的推测。
2)You ______ buy some reference books when you go to college.
A. could
B. will have to
C. must
D. might
参考答案：B
解题思路：
could与might与题意不符。must表示“主观要求必须做某事”，have to则表示“客观情况要求不得不做某事”。根据题意，选B最恰当。
3)He didn’t pass the final examination. He ______ it.
A. must have prepared for
B. ought to prepare for
C. ought to have prepared for
D. ought to prepare for
参考答案：C
解题思路：
此题考查情态动词+完成式。“ought to+完成式”表示过去本应该做却没有做。
Practice makes perfect. 多多练习，考试才能获得好成绩哦！
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