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
This pair of socks ______ worn out. I'll have to buy a new ______.
#44734
A
is, one
B
are, ones
C
is, pair
D
are, pairs
The garden _____ while they were away from here.
#44529
A
took good care of
B
was taken good care
C
was taken good care of
D
was taking good care of
Today Chinese by more and more people around the world.
#44664
A
speak
B
spoke
C
is spoken
D
was spoken