---It’s difficult for the villagers to cross the river. ---I think a bridge______ over the river.
#44765
A
should be built
B
is being built
C
has been built
D
was built
推荐题目
Doctor Wang often asks us           too much meat.
#44489
A
don’t eat
B
not eat
C
not to eat
D
doesn’t eat
 –Lots of trees and flowers ________ on both sides of the road last year. --Oh, _______ beautiful they are!
#44520
A
have been planted; how
B
were planted; what
C
were planted; how
D
have been planted; what
The young trees should______ as often as possible.
#44714
A
take care of
B
be take care of
C
be taken care of
D
be taken care