The question is quite difficult, so _______ students can work it out.

Mom, can I watch T’V now— No． You ________ tidy your room first．

han twenty years____________since hecame to teach in this school, and every student and every parent_____him

A person who believes that he isincapable will not make a real __________, because he feels that it would be useless.

117 Look The soldier are at _____ in thebarrack yard