12.-Have you chosen a topic for your speech yet? -No.I a lot about it.but I haven’t decided. A.will think B.have been thinking C.had thought D.was thinking 查看更多

 

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-Have you chosen a topic for your speech yet?

-No.I ________ a lot about it, but I haven't decided.

[  ]
A.

will think

B.

have been thinking

C.

had thought

D.

was thinking

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