问题

The weather is foggy again today, ______ it —Yes, it’s so bad.
A:is
B:isn’t
C:does
D:doesn’t;
B:isn’t
C:does
D:doesn’t;
正确答案是:
同类题型
This summer I visited the farm set up by my uncle,_______he raised fifty_______.
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Oh, much smoke here! Somebody ________ the window, please
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