20.-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.


  1. A.
    will think
  2. B.
    have been thinking
  3. C.
    had thought
  4. D.
    was thinking

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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

查看答案和解析>>


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