摘要：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 |
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
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 |