Keys _______ opening the lock in the door.

Keys _______ opening the lock in the door.

#47057

used for

are used

are used to

are used for

推荐题目

It’s important ___ us to protect the environment and it’s wise ____ us to save water .

#46629

for , for

of , of

for , of

of , for

Gary uses the Internet ________ home every day.

#46125

The group of trees provided some shade ______ the sun .

#46340

over

for

from

It is unhealthy _______ us to eat too much sweet food and it is wrong _______ us to buy sweet food every day.

#46374

of, of

for, of

of, for

for, for

He’d like tea _______ milk in it.

#46548

and

with

has