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16．-Has Sam finished his homework today? 【查看更多】

 

題目列表(包括答案和解析)

－Has Sam finished his homework today?

－I have no idea．He ________ it this morning．

[　　]

A．did

B．has done

C．was doing

D．had done

查看答案和解析>>

－Has Sam finished his homework today?

－I have no idea．He ________ it this morning．

[　　]

A．did

B．has done

C．was doing

D．had done

查看答案和解析>>

－Has Sam finished his homework today?

－I have no idea. He ________ it this morning.

[　　]

A．did
B．has done
C．was doing
D．had done

查看答案和解析>>

－Has Sam finished his homework today?

－I have no idea．He ________ it this morning．

[　　]

A．did

B．has done

C．was doing

D．had done

查看答案和解析>>

－Has Sam finished his homework today?

－I have no idea．He ________ it this morning．

[　　]

A．did

B．has done

C．was doing

D．had done

查看答案和解析>>


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