— Food problem is becoming a big one in China! —I think the food ________ before going to shops or supermarkets. 
#44566
A
is checked
B
is checking
C
should be checked
D
should check
推荐题目
Did you watch TV last night? Liaoning Team _______ by Hongyuan Team.
#44838
A
was beat
B
was beating
C
was beated
D
was beaten
The flowers _______often.
#44458
A
must be water
B
must be watered
C
must watered
D
must water
At that moment,he was last __________ the room with his friends.
#44658
A
seen leaving
B
to see leave
C
seen to leaving
D
to see to leave
It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.
#44688
A
be able to clean
B
should be cleaning
C
must clean
D
must be cleaned