问题

Mr.Black used to be a worker,___–Yes,he_. Now he is a policeman.

A:did he;did
B:didn’t he;did
C:did he; didn’t
D:didn’t he; didn’t;

正确答案是：

同类题型

Can you tell me ______?

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My father in a shop, but he there these days.

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Only by imagining and creating ____theproblem