Food safety is important. Rules must ________ stop people from food pollution.
#44443
A
be made
B
be made to
C
make
D
make to
推荐题目
Mary with his brothers           this film very much.
#44874
A
enjoy
B
enjoying
C
enjoys
D
to enjoy
 Young trees____ quite often.
#44612
A
should water
B
should be water
C
should be watered
D
watered