问题
选择题
It’s difficult for the village children to cross the river to get to school. We think a bridge_______over the river.
A．was built
B．should be built
C．has been built
D．is being built
答案
答案：B
题目分析：句意：对农村孩子来说过河去上学是困难的。我们认为桥应该造起来。桥是被造的，应用被动语态。根据题意，故选B。