Keys _______ opening the lock in the door.
#47057
A
used for
B
are used
C
are used to
D
are used for
推荐题目
---How soon will you finish your college?---________.
#49722
A
After a year
B
In a year
C
Before a year
D
A year before
Some people ___________ bikes to work instead of going ___________ car.
#48213
A
by; by
B
by; ride
C
ride; ride
D
ride; by