Sam spends two hours _______ his homework every day.A．to Wap版

试题详情及答案解析

Sam spends two hours _______ his homework every day.

A．to do

B．doing

C．do

D．does

答案：B

试题分析：句意：山姆每天花费两个小时做作业。spend time doing sth“花费时间做某事”，故此处用动名词doing。故选B。
考点：考查动名词的用法。