问题
选择题
—Tom, the workers _____our new library already.
—Really? I'll go there and borrow some books. [ ]
A. decorated
B. are decorating
C. have decorated
D. were decorated
答案
答案：C
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—Tom, the workers _____our new library already.
—Really? I'll go there and borrow some books. [ ]
A. decorated
B. are decorating
C. have decorated
D. were decorated
答案：C