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--- An ant has two stomachs --- one for itself, one for others.
--- Really? Quite interesting. I ____ anything about it.
|
A．don’t know |
B．have known |
C．haven’t known |
D．didn’t know |
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—An ant has two stomachs—one for itself, one for others.
—Really? Quite interesting. I ________ anything about it.
|
A．don't know |
B．have known |
C．haven't known |
D．didn't know |
查看习题详情和答案>>
--- An ant has two stomachs --- one for itself, one for others.
--- Really? Quite interesting. I ____ anything about it.
A. don’t know B. have known C. haven’t known D. didn’t know
查看习题详情和答案>>
-----An ant has two stomachs --- one for itself, one for others.
-----Really? Quite interesting. I ____ anything about it.
|
A．don’t know |
B．have known |
C．haven’t known |
D．didn’t know |
查看习题详情和答案>>