he let me repeat his instruction ___ sure that i ubderstand what was ____ after he went away.

来源:百度知道 编辑:UC知道 时间:2024/06/08 02:05:20
A.to make, to be done
B.making, doing
C.to make, to do
D. making, to do
为什么选A 不选C

A.to make, to be done
首先第一个空格应选to make,动词不定式表目的
第二个空格,看后面是went away,表明该事件发生在过去,what was to be done ,被动,或者要用不定式也要说成what to do

他让我重复他的说明,保证他走了之后我知道什么事情需要被做.
what指的是需要做的事情,事情是需要被做的,所以要用被动