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27．Children are standing and getting on the bus． A．on line B．in a line C．on a line D．in line 【查看更多】

 

題目列表(包括答案和解析)

Children are standing ________ and getting on the bus.

[　　]

A．on line

B．in a line

C．on a line

D．in line

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Children are standing ________ and getting on the bus.

[　　]

A．on line

B．in a line

C．on a line

D．in line

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