How did it that you made such a silly mistake?
| A．bring about | B．come about |
| C．come across | D．come on |
I am disappointed because I ______________my favourite writer yet.
| A．didn’t see | B．haven’t seen | C．don’t see | D．have not been seeing |
---- Am I bothering you, Black?
---- No. ______ , I like you to be with me.
| A．On the other hand | B．In a word |
| C．For one thing | D．On the contrary |
_____is our belief that improvements in health care will lead to a stronger , more prosperous economy.
| A．As | B．It | C．This | D．That |
The manager_____ the workers how to improve the program since 9 a.m.
| A．has told | B．is telling | C．has been telling | D．will have told |
______ I always felt I would pass the exam, I never thought I would get an A.
A. While B. Once C. If D. Until