Before I made any attempt, I used a stick to test the depth of the river, and _________ at the great depth of it, not daring to take further action.
| A．charged | B．watched |
| C．adventured | D．choked |
… you leave it at peace just as you found it. _______, animal will be disturbed.
| A．However | B．Otherwise | C．Therefore | D．Then |
The Summer Palace is one of the ___ beautiful parks in Beijing. I suggest you going there to have a visit.
| A．more | B．most | C．best | D．much |
She rubs her teeth with her finger _______ she wants to brush her teeth. This is done after every meal.
| A．when | B．until | C．since | D．while |
This gentleman is very interested in singing. He often goes to the Karaoke hall with his friends and sometimes comes home very late, _____, very early in the morning.
| A．rather than | B．rather late | C．or rather | D．would rather |
Should the wallet, found in the street, be put into a pocket _______ turned over to the policeman?
| A．and | B．or | C．then | D．but |