改错：If they don't finish their homework,they work till finish it.A.改 don'tB.改 theirC.改后一句的workD.改后一句的finish_____

分类: 作业答案 • 2021-12-19 10:51:43

问题描述：

改错：If they don't finish their homework,they work till finish it.
A.改 don't
B.改 their
C.改后一句的work
D.改后一句的finish
_____

答

选C~
If they don't finish their homework,they will work till finish it.
IF 引导的从句,条件句是一般现在时态,主句就应该是将来时态~