Food safety is important. Rules _____ to stop people from food pollution.
#44569
A
must make
B
must be made
C
mustn’t make
D
mustn’t be made
推荐题目
 Finally, the child was made _______ and began to smile. 
#44368
A
stop crying
B
to stop to cry
C
to stop crying
D
stop to cry
May we leave the classroom now? No, you _____. You_____ to leave until the bell rings.
#44732
A
mustn’t, are allowed
B
don’t have to , are supposed
C
needn’t , aren’t allowed
D
can’t , aren’t supposed
The 29th Olympic Games _____ in Beijing in 2008.
#45017
A
is held
B
was held
C
holds
D
held