6. Luckily, Peter had _________ to finish his final exam.
A. many time            B. enough time              C. time enough             D. some time

7. Tom_________ his hand when he was cooking the dinner.
A. burnt                B. was burning              C. burn              D. is burning

8. I must go now. I promised _________ late.
A. not being             B. not to be            C. to not be                D. not be no

9. Would you mind if I_________ a photo?
A. take             B. took            C. taking            D. will take

10. I _________ Cuba in 1990.
A. visit          B. visited             C. have visited               D. was visiting

11. It is_________ to find an expensive hotel in this town.
A. difficult               B. difficultly            C. difficulty             D. differ

12. _________you ever_________ to America yet?
A. Have …been            B. Were …being              C. Were … been             D. Are … been