题目内容
The math problem is so hard. I really don’t know .
A.how to do it | B.how to do | C.what to do it | D.where to do it |
A
解析试题分析:句意: 这道数学题如此难。我真的不知道怎样做它。how 表示方式,是一个副词;what 什么,是一个代词;where 在哪里,是一个副词,不符合句意。如果用what,则应是what to do ,后面不能有宾语。故选A。
考点:考查连词。
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