题干

.The place _____ the bridge is supposed to be built should be _____ the cross-river traffic is the heaviest.
A.which; where. B.which; in which.
C.at which; which..D.at which; where.
上一题 下一题 0.85难度 单项选择 更新时间:2013-01-15 09:46:02

答案(点此获取答案解析)