China has offered much help to Japan since it ______ by the earthquake and tsunami(海啸).
#44983
A
hits
B
is hit
C
was hit
D
will be hit
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Ann and I   doing   homework now.
#44773
A
am ,their
B
are ,their
C
are ,our
D
am ,our
Put on more clothes, Kate. The window in our room ______ yesterday. 
#44786
A
was broken
B
are broken
C
have broken
D
will break
The sick boy ____________ to hospital by the police yesterday.
#44521
A
is taken
B
was taken
C
takes
D
took
It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.
#44688
A
be able to clean
B
should be cleaning
C
must clean
D
must be cleaned