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–Our classroom _________ twice a day. So it is very clean.–It is important for us to do this.
#44640
A
is sweeping
B
is swept
C
sweeps
D
has swept
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The old over 90    __  not only by their family but also by the government in many places.
#44473
A
is looked at
B
are taken good care of
C
are taken good care
D
is looking after
Some animals in the zoo die of hunger because they_____enough food.
#44660
A
don’t give
B
didn’t give
C
aren’t given
D
won’t give
In the past the children were made ______15 hours a day.
#44973
A
to lock
B
work
C
to work
D
lock
The old house with a garden ______ 80 years ago．
#44546
A
built
B
build
C
was built
D
is built
The little boy was made _____ again after his mother told him some jokes.
#44505
A
laughed
B
laugh
C
to laugh
D
laughing