Question

【题目】—Hi, Johnson, any idea where Susan is?

—It’s class time, so she _____ in the classroom now.

A. can be

B. must have been

C. might have been

D. should be

Answer 1

【答案】D

【解析】考查情态动词的用法。A. can be可能，可以是；B. must have been一定（对过去事实肯定的推测）；C. might have been可能（对过去事实肯定的推测）；D. should be应该是。句意：—知道苏珊在哪里吗？—现在是上课时间，她应该在教室里。故答案选D。