You should study the details of the policy __________ before you sign it.
| A．in return |
| B．in advance |
| C．at ease |
| D．on purpose |
To our surprise, the painting considered______ should have won the prize.
| A．being copied | B．having been copied |
| C．to have copied | D．to have been copied |
It made all the Chinese happy _____ China succeeded in sending up the first manned spaceship.
| A．when | B．because | C．that | D．if |
---May I take your order now?
---_______.
| A．No, I’m in trouble now | B．Yes, we obey orders |
| C．Yes, I'd like a dish of chicken | D．No, I don't have a choice of meat |
She was so angry at all ______ I was doing ______ she walked out.
| A．that; which | B．that; that | C．which; that | D．which; as to |
He old woman had a letter from her son in the army_____ to her.
| A．read | B．write | C．written | D．received |