【題目】—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

【答案】D

【解析】考查情態(tài)動(dòng)詞的用法。A. can be可能，可以是；B. must have been一定（對(duì)過去事實(shí)肯定的推測）；C. might have been可能（對(duì)過去事實(shí)肯定的推測）；D. should be應(yīng)該是。句意：—知道蘇珊在哪里嗎？—現(xiàn)在是上課時(shí)間，她應(yīng)該在教室里。故答案選D。

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