12.Few people knew how to use the Internet in the past, ? A. did they B. didn't they C. did he D. didn't he 查看更多

 

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Few people knew how to use the Internet in the past,_____?

A.did they B.didn’t they C.did he D.didn’t he

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Few people knew how to use the Internet in the past, ________?

[  ]

A.did they
B.didn't they
C.did he
D.didn't he

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Few people knew how to use the Internet in the past, ________?

[  ]

Adid they

Bdidn't they

Cdid he

Ddidn't he

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