____ difficult the task may be, we will try our best to complete it in time.
| A．No matter | B．No wonder | C．Though | D．However |
There is a sign at the train station, reading “Don’t jump off a train when it’s.”
| A．on move | B．on a move | C．on the move | D．moving |
who had arrested him three times for drug-taking.
| A．Before George stood the policeman | B．Before George the policeman stood |
| C．Before the policeman stood George | D．Stood before the policeman George |
—Hi, Tracy, you look tired.
—I am tired. Ithe living room all day.
| A．painted | B．had painted | C．have been painting | D．have painted |
The science of medicine,progress has been very rapid lately, is perhaps the most important of all the sciences.
| A．to which | B．in which | C．which | D．with which |
—I speak to Miss Zhang, please?
—Hold on. Miss Zhang,on the phone.
| A．Someone is looking for you | B．Here is a telephone for you |
| C．You’re called | D．You’re wanted |