___ he came to study in the university, he has made much progress in the study of English.
| A．While | B．When | C．Since | D．After |
What a pity. Considering his ability and experience, hebetter.
| A． | need have done | B． | must have done |
| C． | can have done | D． | might have done |
I hear they’ve promoted Tom, but he didn’t mention _____ when we talked on the phone.
| A．to promote | B．having been promoted |
| C．having promoted | D．to be promoted |
Isn’t it amazing how the human body heals ____ after an injury?
| A．himself | B．him |
| C．itself | D．it |
My English teacher’s humor was ____ make every student burst into laughter.
| A．so as to | B．such as to |
| C．such that | D．so that |
–I think you’d better type this letter again before Mr. Smith see it.
-- Oh, dear!
| A．Who cares? | B．No problem |
| C．I don’t mind at all | D．Is it as bad as that? |