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：spend用于sb spend...on sth或者sb spend...in doing sth（in可以省略），spend的主语必须是人，可以指花费时间、也可以指花费金钱；句意：萨姆每天花费两个小时做作业。结合语境可知选B。
考点：考查动词短语。