Put on more clothes, Kate. The window in our room ______ yesterday. 
#44786
A
was broken
B
are broken
C
have broken
D
will break
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This kind of medicine ________in a dry and cool place。
#44678
A
keep
B
kept
C
must keep
D
must be kept
---Why is the classroom so dirty? --- Sorry, sir. It ______ yesterday. We forgot to do it. 
#44831
A
doesn’t clean
B
didn’t clean
C
isn’t cleaned
D
wasn’t cleaned
—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
—Hey, Jack. Waste paper ________ here.—Sorry, I won’t do that again.    
#44557
A
cannot throw
B
cannot be thrown
C
will not throw
D
will not be thrown