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This is Mr．Smith, ________ I think has something interesting to tell you．

A．who           B．whom       C．that           D．/

______ it so difficult to live in an English-speaking country that I determined to learn English well.

A. I have felt                      B. have I felt                       C. I did feel                          D. did I feel

All these means _____ to prevent the air pollution, but the sky is still not clear.

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

_____, I have to put it away and focus my attention on study this week.  

  A. However that story is amusing                          B. No matter amusing the story is

  C. However amusing the story is                            D. No matter how the story is amusing

If only he _____ quietly as the doctor instructed, he would not suffer so much now.  

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

As we joined the big crowd I got _____ from my friends.

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

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

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

A left-luggage office is a place where bags _____ be left for a short time, especially at a railway station.

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

--- I’m very _____ with my own cooking. It looks nice and smells delicious.

   --- Mm, it does have a _____ smell.

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

The Parkers bought a new house _____ will need a lot of work before they can move in.

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