1、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
2、There is a saying which ____like this: “ Still waters run ______.”
A. goes; deeply B. comes; deep C. goes; deep D.comes; deeply
3、The animal of this kind is _______; we’d better ________.
A. dangerous; keep away B. is danger; keep away from it
C. dangerous; keep away from it D. in danger; keep away
