At the computer operation test, one is supposed to stay at his own machine, keep his eyes on his screen, _______ to anyone.
| A．and not to speak | B．but could not speak |
| C．instead of speaking | D．or rather speak |
Yesterday I met a(n) _____ teacher by chance who taught me English in the university three years ago.
| A．early | B．former | C．first | D．advanced |
The Dragon Tower，from ________ top visitors can enjoy a good ________ of Harbin，attracts hundreds of tourists every day.
| A．which；sight | B．whose；view | C．its；view | D．where；sight |
He promised me if we_______ the game, he ________us a round of drink.
| A．win; will buy | B．would win; would buy |
| C．won; bought | D．won; would buy |
By next summer John _____in this factory for thirteen years.
| A．has been working | B．will have been working |
| C．will be working | D．has worked |
Tom sat under a tree and seeing his friend, _____ up in no time.
| A．to stand | B．standing | C．stood | D．would stand |