题目内容

We _______ two hours in doing our homework every night.
A．takeB．payC．costD．spend
D

试题分析：句意：我们每天晚上花费两个小时做作业。选项中的四个词都有花费的意思，但take一般用it作形式主语，pay与for连用，cost应该是物做主语，spend与on或（in）doing连用。根据句中的in doing可知，本题应用spend。所以本题选D。
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