【題目】Our classroom ___ every day. We can study comfortably in it.

A. cleans B. clean C. was cleaned D. is cleaned

【答案】D

【解析】

試題分析：句意：我們的教室每天打掃。我們可以在里面舒服地學(xué)習(xí)。Classroom是clean這一動作的承受者，該用被動語態(tài)。根據(jù)every day可知該用一般現(xiàn)在時。所以選D。

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