________，I will help you with your work.
| A．If I am possible | B．If it possible |
| C．If possible | D．Possible |
John was a student at this university from 1999 to 2003, ________ he studied hard and was made chairman of the Students’ Union.
| A．during which | B．by which | C．during which time | D．by which time |
He was in hospital for six months. He felt as if he were ________ from the outside world.
| A．cut down | B．cut off | C．cut in | D．cut through |
He ________ to us that he ________ the watch on the table.
| A．lied; lay | B．lay; laid | C．lied; had laid | D．lay; had laid |
Great changes _________ in my hometown in the past 20 years.
| A．took the place | B．have taken place | C．were taken place | D．took place |
His generosity _______ him the reputation of “The most generous man” in his area.
| A．made | B．earned | C．achieved | D．gave |