The old man was very generous．He decided to________some of his money to the people in need．
| A．run away |
| B．give away |
| C．move away |
| D．stay away |
I have heard a lot of good things about you _____ I came back from abroad.
| A．since | B．when | C．before | D． until |
—Why didn't you try your best to get on the bus?
—I tried to, but it had started moving ________ I could get on it.
| A．before | B．after | C．since | D．if |
—Did you call Jim back?
—I don't need to, ________ we'll have a meeting together tonight.
| A．though | B．unless | C．because | D．if |
In Britain, you must reach 18 ________ you want to drive a car.
| A．because | B．though | C．if | D．so |
I'll write a letter to you ________ I arrive in New York.
| A．as soon as | B．until | C．since | D．for |