单项选择（每题1分）
We must think twice _____ we make the final decision.
| A．when | B．while | C．until | D．before |
You don’t have to angry. He ______ wanted to know the truth.
| A．mere | B．merely | C．nearly | D．near |
Where was it ______ the road accident happened yesterday?
| A．when | B．that | C．which | D．how |
I have many friends, _______ some are businessmen.
| A．of them | B．from which | C．who of | D．of whom |
How do you ________ yourself in rainy weather?
| A．amuse | B．help | C．throw | D．entertain |
Tom was Mary’s brother! ________ he reminded me so much of Mary.
| A．No doubt | B．Above all | C．No wonder | D．Of course |