_________ in the mountains for a week, the two students were finally saved by the local police.

A. Having lost     B. Being lost      C .Lost      D .Losing

The dishes ________ so delicious were cooked by my father who was a good cook

A. tasted         B. tasting      C. to taste      D. to be tasted

Parents _________ much importance to education. They will do their best to give their children that priceless gift.

  A. pay           B. apply        C. attach        D. associate

 My request is that the information referred to in my report ________ Mr. Brown without delay.

A. to be e-mailed    B. be e-mailed    C. e-mailed    D. being e-mailed

________ that he had wasted a lot of time, Tom decided to work hard on his study.

A  Realizing     B To realize     C Realized    D Having been realized

While watching television,________________________.

A. the doorbell rang                     B. the doorbell rings

C. we heard the doorbell ring             D. we heard the doorbell rings

 The reason why I want to write this review is to warn future travelers on how to avoided ________________ by those salesmen.

A. being cheated      B. cheating        C. to cheat     D. to be cheated

With lots of papers to read, he ____________ to the cinema.

A. mustn’t                  B. mustn’t have gone  

C. couldn’t go               D couldn’t have gone

I have been working here since I _______ this new position.

A. offered        B. have offered       C. was offered     D. had been offered

 ______ of danger in the street at night, she had to go home with a friend ____ her.

A Warning; following           B. Having warned; following

C Warned; followed            D Having been warned; following