— 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
Sir, you should ________ at the red light, but you didn’t.
#44879
A
stop
B
have to stop
C
have stopped
D
not have stopped
—It’s difficult for the village children to cross the river to get to school. We think a bridge_______over the river.
#44533
A
was built
B
should be built
C
has been built
D
is being built
—Hey, Jack. Waste paper mustn’t ________ here.—Sorry, I won’t do that again.
#44495
A
throw
B
be thrown
C
be throwing
D
to throw
Annie _______ to the party. She had a wonderful time with us.
#44429
A
invites
B
is invited
C
was invited
D
has invited