-- My dream is to be a scientist.--- Sounds good. I hope it will           .

 ---How long have you _________China?---About two years.

There’s a lot to do. We can’t __________ to waste any time.

My father_________ very busy this week. He _________free next week.

— Jane looks really tired and sleepy.— I’m not surprised at all. She often　　　 too late and hasn’t enough sleep.