Clearly there is much to be desired _____ it comes to the quality of teachers and their teaching methods.

If you _______ this newspaper, you’ll get an extra magazine.

The life of a professional tennis player is tough ________ you never seem completely free to do _______ you like — even in the off-season

hool owns many qualified teachers,but when it_____________facilities, the school is not modern enough

__ It is so late. Our son __________ be back . __ Don’t worry . I dare say he ________ have some extra work to do.