The place ________the bridge is supposed to be built should be_________ the cross-river
traffic is the heaviest. [ ]
A. which; where
B. at which;which
C. at which ; where
D. which ; in which
答案:C
The place ________the bridge is supposed to be built should be_________ the cross-river
traffic is the heaviest. [ ]
A. which; where
B. at which;which
C. at which ; where
D. which ; in which
答案:C