________a teacher, I’ll try to teach my students well.[ ]

Did your father__________ to work today? — No, his car was broken.

The more exercise you take, the ____you will be.

Jim has _______ friends here, so he often stays at home and feels lonely.

What do you think of ‘Eat-up’ Campaign (光盘行动)?–I think it’s really necessary. It is reported that the food that Chinese peopleevery year is enough to feed 200 million people for a year.