Since then the number of people taking driving lessons___20%
| A．has increased to |
| B．increases by |
| C．has increased by |
| D．have increased by |
The last factory ______ I am going to visit is the place _____ my mother worked five years ago.
| A．which; where | B．that; where |
| C．where; where | D．that; which |
I have told you the truth. ________ I keep repeating it?
| A．Must | B．Can | C．May | D．Will |
How long can you ________ your breath underwater?
| A．hold | B．take | C．keep | D．save |
By the side of the Bird’s Nest , completed in 2008.
| A．there standing the Water Cube | B．stands the Water Cube |
| C．does the Water Cube stand | D．the Water Cube stands |
___________ certain that his invertion will lead to the development of production.
| A．That’s | B．This is | C．It’s | D．What’s |