—What do you think we can do for our aged parents?—You ____ do anything except to be with them and be yourself.
-It’s many years since I saw you last, I __________ you at all. -I wouldn’t have, either, if someone __________ you by the name.
When he looked up, he suddenly found himselfby a group of teenagers, looked at him anxiously.
I really don’t know _________ I had my money stolen.
_________ the problem of land erosion getting more serious, the government is searching for a way to deal with it.
-Mom’s gift? She _______ have chosen a better one for me. -She must be very happy to know it.