TheWork _ before he _ back.A、can do... isB、can be done.., c

游客2025-07-10 21

问题 TheWork ___________ before he ___________ back.

选项 A、can do... is
B、can be done.., comes
C、Will be done.., arrive

答案 B

解析他回来以前这项工作可以完成。can be done是情态动词被动词态。如果主句是将来时或情态动词的一般现在时，时间状语从句要用一般现在时。如：HeWill be a doctorWhen he grows up.他长大了想当医生。

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TheWork ___________ before he ___________ back.A、can do... isB、can be done.., c