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Theyaregoingdowntownbusinsteadoftheirbikes.A.by,byB.on;byC.by;inD.by;on

题目详情
They are going downtown ________bus instead of _______their bikes.
A.by,by B.on; by C.by; in D.by; on
▼优质解答
答案和解析
D
by bus 固定搭配 还有by bike ……
后者不可以用by 是因为bikes 前面有定语,骑车用on 不用in 但是在小轿车里用in