— 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
The mayor is happy to find that many trees _______ in our city last year.
#44369
A
plant
B
were planted
C
planted
D
are planted
—Look at the sign on the right. —Oh, parking ______ here.
#44971
A
doesn’t allow
B
isn’t allowed
C
didn’t allowed
D
wasn’t allowed
—Lots of trees and flowers ______ on both sides of Huanshan Road last year. —Oh, that’s beautiful.
#45053
A
are planted
B
were planting
C
were planted
D
have planted