1. He took his seat quietly,.......
A. In order that not to disturb their conversation
B. so as to disturb their conversation
C. in order not disturb their conversation
D. so as not to disturb their conversation
2. Neither the students nor the teacher ...... come
A. has B. have C. is D.are
3. It costs about fifty dollars to have a tooth .....
A. filling B. to fill C. filled D. being filled
4. You should pay attention ...... what the teacher said
A. of B. with C. in D. to
5. Sue was ...... in the accident; meanwhile, her sister has only minor injuries
A seriously ill B. badly injure C. seriously hurt D. bad
6. Stop that nonsense,......?
A don't you B. do you C. will you D. aren't you