Food safety is important. Rules ______ to stop people from food pollution.
#44926
A
must make
B
must be made
C
can’t make
D
can’t be made
推荐题目
The little boy ____ by the big one this morning.
#44873
A
made cry
B
was made cry
C
made to cry
D
was made to cry
Great changes _______ in our country since 1990.
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A
were taken place
B
took place
C
have taken place
D
have been taken place
Bikes ______ in the 1880s and they ______ traveling around.
#45063
A
were invented; were used as
B
were invented; are used for
C
was invented; was used for
D
invented; are used to