语法与词汇
There’re so many problems in front of him that he didn’t know _____.无
A、
to do it
B、
how to do
C、
what to do it
D、
what to do with them
【正确答案】
D
【答案解析】
选项中“to do with them”作为后置定语修饰“what”。 因为句中的“problems”使用复数， 所以也选择复数与之对应。
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