____ each other for years, they talked almost the whole night and had a wonderful time.
A. Not having seen B. Having not seen C. Not seen D. Not to see
Franklin's ability to learn from observations and experience ____ greatly to his success in public life.
A. owned B. contributed C. attached D. related
—It’s so hot. What about getting a drink?
—Good idea. It’s my___ .
A. treat B. charge C. trade D. cost
Andrew wanted to find another boy to be his best friend, but Annie told him ___.
A. not to B. not to do C. not do it D. do not to
___ I saw her, she was working in a shop.
A. The last time B. For the last time. C. To the last time. D. In the last time.
Some of you may have finished unit one. _____, you can go on to unit two.
A. If you may B. If you doC. If notD. If so
