I feel it hard to keep up with myclassmates in study and sometimes I lose heart. But whenever I want to ________, my teacher always encourages me to work harder.

Our class has already collected much____ on how to save energy so far.

Lin Yu often talks in class. His teacher _______him.

What’s your –I like listening to music.

It was announced that only when the fire was under control _______ permitted to return to their homes.