9.You should have to stay behind if your homework__before five o'clock.

9.You should have to stay behind if your homework__before five o'clock.
A.isn't done B.won't be done C.doesn't do D.wasn't done
英语人气:332 ℃时间:2019-08-20 21:59:43
优质解答
选A此句为if引导的条件状语从句结构;1.if从句用一般现在时,主句用一般将来时 If he runs he’ll get there in time.如果他用跑的,他就会及时赶到那儿.The cat will scratch you if you pull her tail.如果你拉猫的...
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