题目内容
Mary spends two hours ______ her homework every day.
| A．doing | B．to do |
| C．does | D．did |
A
解析试题分析：句意：玛丽每天花费两个小时做她的作业。spend …doing,花费多久做……，故选A。
考点：考查固定结构的用法。
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