Question

【题目】He ______look at the stars every night, but now he does not.

A. had better B. used to C. ought to D. had to

Answer 1

【答案】B

【解析】

句意：他以前每天晚上都看星星，但是现在他不看了。A. had better最好做……；B. used to表示过去常常；过去经常；C. ought to应该；D. had to不得不。本题考查used to的用法。used to表示过去常常；过去经常。结合句意和选项可知B正确。