—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
The old house with a garden ______ 80 years ago.
#44546
A
built
B
build
C
was built
D
is built
--Are you often          on vacation?   -- Not always.
#44642
A
relax
B
relaxing
C
relaxed
D
to relax
The road ______ last year.
#45073
A
builds
B
built
C
was built
D
is built