Question

4. Before the bridge was built       the river,the villagers had to take a boat to the other side.

   A. in   B. beside

   C. over   D. along

Answer 1

4. C

句意:在这座桥被建在河上之前，村民们不得不乘船去河对岸。in意为“在……里面”；beside意为“在……旁边”；over 意为“悬在……上面”；along意为“沿着”。此处强调的是在河流之上，应该用over ,所以选C。