.At this moment the bell rang _______ the end of class.
| A．announce | B．announcing | C．announced | D．to announce |
—According to my grandma, it is a good idea to eat chicken soup when you have a cold.
— __________, scientists agree with her.
| A．Sooner or later | B．Once in a while |
| C．To be exact | D．Believe it or not |
So difficult __________ it to work out the problem that I decided to ask Tom for advice.
| A．I did find | B．did I find |
| C．I have found | D．have I found |
I have tried very hard to improve my English. But by no means __________ with my progress.
| A．the teacher isn't satisfied | B．is the teacher not satisfied |
| C．the teacher is satisfied | D．is the teacher satisfied |
__________, he talks a lot about his favorite singers after class.
| A．A quiet student as he may be |
| B．Quiet student as he may be |
| C．Be a quiet student as he may |
| D．Quiet as he may be a student |
Mary never does any reading in the evening, __________.
| A．so does John | B．John does too |
| C．John doesn't too | D．nor does John |