题目内容
—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 |
D
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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 |
—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 |
-----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 |