Many books________about“the art of giving”;you can buy one for yourself.
---Ann is in hospital. --- Oh, really? I _____know. I ________her for a long time.
We felt _____ at the _____ advertisements while watching TV programs.
--- _________ have you lived here ? --- Since last year.
We find _______ not easy _______ fifty English words in one day.
-_____ excellent advice he has given us!