—It’s a long time since I saw my sister.
—______ her this weekend?
| A．Why not visit | B．Why not to visit |
| C．Why not visiting | D．Why don’t visit |
The hostess left the money on the table _____purpose to test the honesty of her maid.
| A．with | B．in | C．on | D．for |
People in ancient times ______ series of important events so that we now have what is called history.
| A．went down | B．kept down | C．set down | D．broke down |
It was the first time ______ I ______ here.
| A．when; had come | B．that; have been | C．when; came | D．that; had been |
Remember never to leave your dog ______. It might bite people around.
| A．lose | B．lost | C．losing | D．loose |
_____ of the students who took part in the military training is 450.
| A．A number | B．A lot | C．Lots | D．The number |