问题
选择题
The key you have just got ____ the front door. [ ]
A. is used to opening
B. is used to be opened
C. is used to being opened
D. is used to open
答案
答案:D
The key you have just got ____ the front door. [ ]
A. is used to opening
B. is used to be opened
C. is used to being opened
D. is used to open
答案:D