With the send-up of the spaceship approaching, occasions are rare _________ the staff can spend a weekend with their families.
33.In the reading –room there are tables, you can sit there to read .
31.The lecture mainly deals with the trouble young children have right from wrong .
30.Written in a hurry .
29.—May I speak to your manager at three o’clock tomorrow afternoon ? —I’m sorry, He to Shanghai by then
28.The Chinese people are looking forward to the first attempt on the moon after Yang Liavei’s successful trip into space.