问题
It’s difficult for the village children to cross the river to get to school.— I think a bridge ________ over the river.
A:should be built
B:should build
C:was built
D:has been built
B:should build
C:was built
D:has been built
正确答案是：
同类题型
What _____ you _____ for vacation next weekend? — I’m going to Nanxi River for two days.
Is this your baseball?—No, it’s Bob’s. Baseball is _________ favorite.
He ought ot have been warned of the danger.——____, but he wouldn’t listen to me.
You ____ very happy this afternoon. Why? —Because we are going to spend the evening at Lily’s house.