1、Peter is b___ revising for a math test .He has no time to play.2、Three people sit in the b____of the car.

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1、Peterisb___revisingforamathtest.Hehasnotimetoplay.2、Threepeoplesitintheb____ofthecar.1、Peterisb___

1、Peter is b___ revising for a math test .He has no time to play.2、Three people sit in the b____of the car.
1、Peter is b___ revising for a math test .He has no time to play.
2、Three people sit in the b____of the car.

1、Peter is b___ revising for a math test .He has no time to play.2、Three people sit in the b____of the car.
1.busy
原因:bu busy doing 忙于做某事
2.back
in the back of the car 汽车后面
不明白的再问哟,请及时采纳,多谢!

1.busy
be busy doing 忙于做某事
2.back
in the back of 在……的后部
祝你开心。

1、Peter is busy___ revising for a math test .He has no time to play.
2、Three people sit in the back____of the car.

be busy doing