问题
选择题
He spent two hours ______ his homework last night.
A．to do
B．doing
C．did
D．do
答案
B
题目分析：句意：昨晚他用了两小时做作业。Spend doing sth，花费时间作某事，故选B。
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He spent two hours ______ his homework last night.
A．to do
B．doing
C．did
D．do
B
题目分析：句意：昨晚他用了两小时做作业。Spend doing sth，花费时间作某事，故选B。