题目内容
They are working ________ on the farm.Everyone ________ busy.
[ ]
A.harder, is
B.hard, is
C.harder, are
D.hardest, are
答案:B
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题目内容
They are working ________ on the farm.Everyone ________ busy.
A.harder, is
B.hard, is
C.harder, are
D.hardest, are