—What a nice classroom! —It _____ every day.
#44598
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned
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Food safety is important. Rules must ________ stop people from food pollution.
#44443
A
be made
B
be made to
C
make
D
make to
There was a big earthquake in Japan, but luckily many people _________.
#45002
A
save
B
saved
C
are saved
D
were saved
–Smoking should in school.--I agree. It’s bad for our health.
#44372
A
be allowed
B
not allow
C
allow
D
not be allowed
Put on more clothes, Kate. The window in our room ______ yesterday.
#44786
A
was broken
B
are broken
C
have broken
D
will break