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68 This pair of trousers___very long,they___very expensive.A.are;are B.is;is C.are;is D.is;are

题目详情
68 This pair of trousers___very long,they___very expensive.A.are;are B.is;is C.are;is D.is;are
▼优质解答
答案和解析
D.is;are
This pair 是单数所以前一个用is
They 是复数,所以后面用are