Thanks to the Internet, different kinds of information in a short time.
#44436
A
can be learned
B
has been learned
C
can learn
D
has learned
推荐题目
—What a nice classroom! —It _____ every day.
#44598
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned
Fifteen-year-olds ________ to have jobs in China.
#44575
A
is not allowed
B
are allowed
C
is allowed
D
are not allowed
Don’t discuss the problems with your partner unless you ___ to do so.
#44804
A
ask
B
are asked
C
will ask
D
will be asked
It’s difficult for the village children to cross the river to get to school. We think a bridge_______over the river.
#44469
A
was built
B
should be built
C
has been built
D
is being built