问题

What at that time ? —Playing football.

A:did you do
B:do you do
C:were you doing
D:are you doing

正确答案是：

标签： playing , time , what

同类题型

What are you listening to?—A song by Huo Zun. It ______ beautiful.

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Sorry,what did you say just now?–I asked.

Things are always changing .

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