The teacher has to ________ the two students as they are always talking in class.

Charlie Chaplin is considered ________ agreat contribution to the film industry

I’m going to take part in Good Voice of Xin Tai next month.–_______ ! I’m sure you will win.

All the students find ____ interesting and useful to speak English.

_____ I do feel pity, I can’t really do very much to help them out of the difficulty.[ ]