A tsunami(海啸) _______ in some southern Asian countries in December, 2004.________ homeless people had to stay in the open air.A. happened; Thousands ofB. has happened; Thousands ofC. happened; Twelve thousands
---I’m too busy, could you do _______ to help me? --- Of course. I can do _______ for you if you want me to.
This piece of music is worth __________.
We had no choice but ____________ so much work.
Can you tell me _______to talk to and ________to get help when we have problems?
Would you mind me _______the door? _________. It’s really cold here.