After he left college, he was employed in an international company and __________ there ever since.
| A．worked | B．has worked | C．had worked | D．was working |
He had lost his temper and his health in the war and never found of them again.
| A．neither | B．either | C．each | D．all |
To improve the quality of our products, we asked for suggestions had used the products.
| A．whoever | B．who | C．whichever | D．which |
You park here! It’s an emergency exit.
| A．wouldn’t | B．needn’t | C．couldn’t | D．mustn’t |
The palace caught fire three times in the last century, and little of the original building _______now.
| A．remains | B．is remained | C．is remaining | D．has been remained |
If I had known about this computer program, a huge amount of time and energy .
| A．would have been saved | B．had been saved |
| C．will be saved | D．was saved |