Question

【题目】The teachers are very patient when we ask _____ for help.

A. they B. them C. their D. theirs

Answer 1

【答案】B

【解析】句意：当我们问他们问题的时候，老师们是非常有耐心的。A. they他们，主格；B. them他们，宾格；C. their他们的，物主代词；D. theirs他们的。ask是及物动词，后接宾语；人称代词作宾语，用其宾格形式，故选B。