问题
选择题
They usually spend two hours _______ their homework every day.
A. do B doing C to do
答案
答案：B
题目分析：spend ( in ) doing sth.是固定用法，意思是花费时间干某事，故选B
点评：常用的固定句型一定要牢记。
搜题请搜索小程序“爱下问搜题”
They usually spend two hours _______ their homework every day.
A. do B doing C to do
答案：B
题目分析：spend ( in ) doing sth.是固定用法，意思是花费时间干某事，故选B
点评：常用的固定句型一定要牢记。