Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
A、ruinI have not heard anything from him since his _______.
This river forms a natural _______ between China and Korea.
Whathesaidinthemeeting_______everybodypresent.
When you fill in the application form, please use your_______ address so that we can contact you easily later.
If you have any problems during your study here,please do not _______ to call me for help
