—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 light bulb ______ by Edison in the middle of the 1780s.
#44649
A
is invented
B
was invented
C
invented
D
invent
You must have your hair _____.
#45035
A
cutted
B
cutting
C
cuts
D
cut
The murderer ________ only days after the young man was found ________. 
#44510
A
caught; died
B
was caught; died
C
caught; dead
D
was caught; dead
There ______ any money in my school bag.
#44768
A
is
B
are
C
aren’t
D
isn’t