56. In the college entrance examination, one of my students did very well _____ poor handwriting.
Peter __ come with us tonight, but he isn’t very sure yet.
---The computer cost him 20, 000 dollars. ---It ____ be that expensive.It’s a used computer.
The captain __ an apology to the passengers for the delay caused by bed weather.
Mr. Wang has two sons, ___ looks like him.
--May I go and play with Dick this afternoon, Mum?—No, you can’t go out ___ work is being done.