问题 选择题

. Mary had taken _____ to see that her guests had everything that they could possibly want.

A.efforts

B.pains

C.attempts

D.endeavors

答案

答案:B

考查名词。take pains to do sth.下苦功夫做某事。句意:玛丽最终看到她的客人得到一切他们所能够得到的、

单项选择题
单项选择题