Food safety is important. Rules must ________ stop people from food pollution.
#44443
A
be made
B
be made to
C
make
D
make to
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The young trees should______ as often as possible.
#44714
A
take care of
B
be take care of
C
be taken care of
D
be taken care
Taiwan is ______ ______ the Treasure Island of China and it is    a part of China.
#44513
A
regard as
B
regarded as
C
regard to
D
regarded to
A photo _____ each time that button _____.
#44456
A
has taken… has pushed
B
has been taken…has pushed
C
is taken … will be pushed
D
is taken … is pushed.