问题
选择题
A lock ___ locking a door.
A．is used to
B．used to
C．is used for
D．is used into
答案
答案：C
这里选is used for 意思是：被用来作…..
搜题请搜索小程序“爱下问搜题”
A lock ___ locking a door.
A．is used to
B．used to
C．is used for
D．is used into
答案：C
这里选is used for 意思是：被用来作…..