The coats are 200 dollars each, but______we offer a discount of 30%, you’ll get one for only 140 dollars.
| A．though | B．unless | C．before | D．since |
He got to the station early, ____ missing his train.
| A．in case of | B．instead of | C．for fear of | D．in search of |
Scientists are confident that they can make lasers which can ____ missiles.
| A．knock down | B．knock out | C．knock into | D．knock off |
It’s interesting to contrast the British legal system ____ the American one.
| A．with | B．to | C．by | D．from |
Don’t be worried about the small fire in that field. It won’t be long before it ____.
| A．burns up | B．burns down | C．burns out | D．burns away |
Is this hotel ________you said we were to stay in your letter?
| A．where | B．which | C．in that | D．in which |