_____ of the land in that district _____ covered with trees and grass. (2000上海)

A. Two fifth; is           B. Two fifth; are                 C. Two fifths; is                  D. Two fifths; are

He is the only one of the students who _____ a winner of scholarship for three years.  

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

He _____ quietly as the doctor instructed, so he doesn’t suffer a lot now.

  A. lies                               B. lay                                    C. had lain                           D. should lie

As we joined the big crowd I got _____ among them.

  A. separated                           B. spared                             C. lost                                   D. missed

Some passengers complain that they usually have to _____ so much to buy to the ticket.

  A. costs                           B. takes                               C. spends                                      D. spares

I have no idea who _____ be in charge of our class?

  A. should                         B. can                                   C. must                                D. will

. The salesgirls always gives customers _____ smile and the customers are very _____.

  A. pleasant; pleased    B. pleased; pleased          C. pleasant; pleasant       D. pleased; pleasant

The Parkers bought a new house and sold the old _____.

  A. they                             B. it                                       C. one                                   D. which

The manager has got a good _____ to do the business so the company is doing well.

  A. idea                             B. sense                               C. thought                           D. thinking

David threatened_______ his neighbour to the police if the damages were not paid．

       A．to be reported        B．reporting  C．to report             D．having reported