Jumping out of ______ airplane at ten thousand feet is quite ______ exciting experience.

A．/; an             B．/; the             C．an; an            D．the; the

---Why did you leave that position?

---I         a better position at IBM.

A．offer             B．offered           C．am offered        D．was offered

It was the training ______ he had as a young man _____ made him such an excellent speaker.

A．which; which       B．which; that        C．that; which        D．that; what

At last we reached a lonely village, _______ a beautiful river.

A．in front of it lay                         B．in front of which lay

C．in front of it laid                         D．in front of which lied

Scientists say it may be five or six years _____ it is possible to test this medicine to human patients.

A．since             B．after             C．before            D．when

--- The earthquake last night was really terrible.

--- ______, no people were injured or killed, and they escaped in time.

A．Hopefully         B．Luckily            C．Sadly             D．Unfortunately

Baseball requires teamwork _______ tennis is an individual sport.

A．while             B．when             C．yet              D．although

Although dragon doesn’t exist, we still take it as a _______ of our nation.

A．example          B．sign              C．mark             D．symbol

In order to meet the deadline, Professor Smith along with his assistants       the project day and night.

A．work on          B．works at           C．is working on       D．are working on