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
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—Come in Peter, I want to show something to you. —Oh, how nice of you! I______ you ______to bring me a gift.
#44807
A
never think; are going
B
never thought; were going
C
don’t think; were going
D
hadn’t thought; were going
 Dad, my computer is broken. Must it _____ now?
#44599
A
is repaired
B
has been repaired
C
be repaired
D
has repaired
Computers ________widely in our daily life.
#44976
A
use
B
used
C
were used
D
are used