—Excuse me, what’s this for?—It’s a cleaner and it       to pick up dirt.
#45057
A
uses
B
is used
C
is using
D
used
推荐题目
You have to be 18 years before you _________ to drive a car.
#44890
A
are allowed
B
are
C
allowed
D
allow
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
The fashion show        in five minutes.
#44403
A
holds
B
will be held
C
hold
D
held
Mr. Li ____ to give a talk in our school yesterday.
#44630
A
invites
B
is invited
C
was invited
D
invited