So sudden_____ that the enemy had no time to escape．
| A．did the attack | B．the attack did |
| C．was the attack | D．the attack was |
—I’m afraid that she won’t come to help me as she promised.
—Don’t worry. Nothing will _____ her mind if she has _____ up her mind.
| A．change; made |
| B．turn; done |
| C．grow; given |
| D．make; changed |
_____ you have learned Spanish, you will find Italian easy.
| A．Because |
| B．Thought |
| C．Before |
| D．Once |
The old man insisted that I _____ his wallet and _____ to the police station with him.
| A．had taken; go |
| B．take; should go |
| C．would take; had gone |
| D．should take; go |
It is in the hall behind the teaching building _____ we usually have our PE lessons on rainy days.
| A．where |
| B．that |
| C．which |
| D．what |
We _____ on this project for four hours. Let’s have a rest.
| A．are working |
| B．have been working |
| C．worked |
| D．had worked |