()The boy ___blue trousers___.A.with;is from America B.in;is American C.with;is America D.in;is from American (回答要准确,并说说为什么这样做)

问题描述:

()The boy ___blue trousers___.
A.with;is from America B.in;is American C.with;is America D.in;is from American (回答要准确,并说说为什么这样做)

B穿什么衣服用in,主语是the boy,用is