The three sisters decided to hold a family party to ____ their parents' silver wedding.

A. celebrate B. memorize C. congratulate 　　　　 D. welcome

 As a manager, who often has to talk with other people, you should know the ____ of humor in dealing with difficult situations.

A.power                            B. strength                  C. force                             D. energy

 It's Sarah's birthday tomorrow.  Will you ____ me in buying a present for her?

A. take part                 B. attend                            C. share                             D. join

 Little Johnny felt the bag, curious to know what it ____.

A.collected                  B. contained                       C. loaded                    D. saved

She had just finished her homework ____ her mother asked her to practise playing the piano yesterday.

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

As a child, Jack studied in a village school, ____ is named after his grandfather.

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

Chan's restaurant on Baker Street, ____ used to be poorly run, is now a successful business.

A.that B. which C. who D. where

Leonardo da Vinci (1452~1519) ____ birds kept in cages in order to have the pleasure of setting them free.

A. is said to be buying 　 B. is said to have bought

C. had said to buy D. has said to have bought

AIDS is said ____ the biggest health challenge to both men and women in that area over the past few years.

A.that it is B. to be C. that it has been D. to have been

Will you ____ us ____ her fiftieth birthday?

A. join; in celebrating B. join in; celebrating　　　　　

C. take part in; celebrating　　 D. join; to celebrate