题目内容
【题目】You shouldn't play computer games before ______your homework.
A.does
B.do
C.doing
【答案】C
【解析】介词后不能直接接动词。故把动词改为动名词。固定搭配：介词+动名词。故选C。
练习册系列答案
相关题目
题目内容
【题目】You shouldn't play computer games before ______your homework.
A.does
B.do
C.doing
【答案】C
【解析】介词后不能直接接动词。故把动词改为动名词。固定搭配：介词+动名词。故选C。