--- It’s difficult for the village children to cross the river for school. --- I think a bridge ________ over the river. 
#45065
A
should be built
B
is being built
C
has been built
D
was built
推荐题目
---Where’s your mother?   ---Oh, she ______ Shanghai on business. 
#44748
A
have been to
B
have gone to
C
has been to
D
has gone to
Sir, you should ________ at the red light, but you didn’t.
#44879
A
stop
B
have to stop
C
have stopped
D
not have stopped