It's not your fault, so you needn't be _______of yourself.
| A．sorry |
| B．shameful |
| C．ashamed |
| D．apologize |
The retired workers were invited to the company， ________surprise，changes had been so great over the years.
| A．whose | B．who | C．to whom | D．to whose |
It was after he got what he had wanted ________he realized it was not so important .
| A．that | B．when | C．since | D．as |
With the development of science and technology，there is no doubt ________ Chinese astronauts will land on the moon in the near future.
| A．whether | B．that | C．what | D．which |
To write a good article you must first ________your ideas very carefully.
| A．organize | B．settle | C．report | D．speak |
John promised his doctor he ________not smoke，and he has never smoked ever since.
| A．might | B．should | C．could | D．would |