--- 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
People should __________ from __________ down the trees to protect the earth.
#44463
A
be stopped, to cut
B
stop, to cut
C
be stopped, cutting
D
stop, cutting
—Mr. Black, may I leave now?—Well, if your work ________, you can go home.
#44700
A
finishes
B
is finished
C
has finished
D
will be finished
—Where ______cotton _____?—Oh,I don’t know.Let’s ask Mr Wu.
#44655
A
are,produced
B
are,grown
C
is,grown
D
are,made in
 -----Why don’t you come to Sally’s party ? -----I’m sorry . I ________ .
#44561
A
invited
B
didn’t invited
C
was invited
D
wasn’t invited