—It’s difficult to get to the other side of the river.—I think a bridge        over the river.
#44615
A
should be built
B
should build
C
will build
D
has built
推荐题目
Paul doesn’t have to be made  _______ . He always works hard.
#44866
A
to learn
B
learn
C
learning
D
learns
The story book _________ for two weeks .
#44824
A
has been borrowed
B
has borrowed
C
has been kept
D
has kept
The new teaching building ________ before the new term begins.
#44681
A
must be finished
B
must finish
C
must finished
D
must being finished