Chen Fang , as well as his two colleagues, ________ for a trip to Tibet in a month.

A. goes 　　　 B. go 　　　　　 C. is going　　　 　 D. are going

An average of 200 letters a week ____ received by the newspaper’s offer. Such _____ the case with us at present.

A. are; is　　 B. has been; has been　 C. have been; is　　 D. is; are

The________look on his face showed that he hadn’t expected it.

A．astonished　　　 B．astonishing

C．being astonished D．having astonished

I tried phoning her office, but I couldn’t__________.

A. get along　 　　　　　　　 B. get on

C. get to　 　　　　　　　　 D. get through

So difficult _____ it to live in English-speaking country that I determined to learn English well.

A. I have felt　　　 B. have I felt　　 C. I did feel　　 D. did I feel

______ China’s reform-opening-policy works, its quick development arouses worldwide attention.

A. While　　 B. As　　 C. Since　　 D. With

___ a reply, he decided to write again.

A Not receiving 　　　　　　　　 B Receiving not　

C Not having received　 　　　　　D Having not received

Though my actual flight in a hot air balloon was only about an hour, the memories will ________ forever.

A. stay　 B. contain C. remain D. last

A good salesman must be __________(进取的) if he wants to succeed.