_________ many times, but he still couldn’t understand it.
| A．He was told | B．Though he had been told | C．Having been told | D．Being told |
There is a great danger if the driver has been drinking alcohol or taking drugs, or _____ by speeding or breaking down traffic laws.
| A．showing off | B．showing around | C．showing up | D．showing in |
---What’s wrong with you, Mr. Keller?
--- I’ve had a very bad headache for two days. At first, I ______ I caught a cold, but the medicine ______.
| A．thought, hasn’t worked | B．had thought, didn’t work |
| C．thought, hadn’t worked | D．have thought, hasn’t worked |
Our country did a lot about the drunk-driving, and it took some time ____ the situation got better.
| A．after | B．since | C．unless | D．before |
____ you lose the paper document, sign in www.sohunt.com, _____ you might download all you need.
| A．If, which | B．So long as, what | C．In case, where | D．Even if, as |
—What’s wrong with him?
—The picture he came acrosshis memory of a sad story in his childhood.
| A．put off | B．took off | C．set off. | D．gave off |