--- 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
 The girl was often heard ______ happily in her room.
#44796
A
sing
B
to sing
C
singing
D
sings
The old should _____ well.
#44832
A
be take care of
B
look after
C
be looked after
D
be taking car of
The television ________. It doesn’t work now.
#44544
A
must repair
B
was repairing
C
must be repaired
D
has repaired
The old men in hospital ______________.
#44441
A
take good care of
B
take good care
C
are taken good care
D
are taken good care of