Question

【题目】I didn’t catch the bus yesterday. I _______ walk three kilometers to wait for another bus.

A. was able to B. had to C. should D. might

Answer 1

【答案】B

【解析】

句意：我昨天没赶上公共汽车。我不得不步行三公里等另一辆公共汽车。A. was able to能；B. had to不得不；C. should应该；D. might可能。根据上文I didn’t catch the bus yesterday.可知下文是不得不。根据题意，故选B。