Although her ability in art has not yet developed, she has great____ as an artist.

   A. success     B. potential       C. victory      D. possibility

A small plane crashed into a hillside five miles east of the city, _____all four people on board.

A. killed          B. killing           C. kills         D. to kill

Over the past 20 years, the Internet helped change our world in _____way or another for the better.

A. any        B. one        C. every       D. either

I don't understand what the engineer means, but I’ve got    rough idea of  Project plan.

A. the; a  B. 不填； the  C. the；不填  D. a; the

_____ not to miss the flight at 15:20, the manager set out for the airport in a hurry.

A. Reminding        B. Reminded         C. To remind            D. Having reminded

During the war there was a serious lack of food. It was not unusual that even the wealthy families had to ______ bread for days.

A. eat up        B. give away       C. do without       D. deal with

Distinguished guests and friends, welcome to our school, _____the ceremony of the 50^th Anniversary this morning are our alumni （校友） from home and abroad.

A. Attend      B. To attend         C. Attending        D. Having attended

It was _____ he came bank from Africa that wear _________ he met the girl he would like to marry.

A. when; then    B. not; until    C. not until; that    D. only; when

Dr. Smith, together with his wife and daughters, _____visit Beijing this summer.

A. is going to     B. are going to     C. was going to     D. were going to

______ a certain doubt among the people as to the practical value of the project.

A. It has                    B. They have

C. It remains                D. There remains