I heard the new song on the radio. I high and low in the music store, but I can’t find the song.
| A．search | B．have searched |
| C．am searching | D．will search |
—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 |
I told him the news ________he came back yesterday.
| A．until | B．as soon as | C．unless | D．as |