31、The old farmer has one son and two daughters, ______ are kind to him,______ makes him sad.

  A. neither of them; which      B. all of whom; which 

  C. none of them; it                D. none of whom; which

30、he is such a lazy man ______ nobody wants to work with_____.

   A. as; him              B. that; /               C. as; /            D. whom; him

29、The hospital _______ well, where many wounded _______ every day.

  A. is operated; operation                B. operates; are operated on

  C. operates; are operated               D. operates; operates on

28、You can’t see things clearly through a telescope unless it is _____ correctly to your sight.

  A. adjusted             B. examined         C. checked       D. tested

27、― I won the first prize in the oral English competition.

― _______!

A. Congratulations  B Good luck    C. All the best  D. I wish you success

26、My sister was very unhappy for _______ to the party.

A. having not been invited        B. not having invited

C. not having been invited       D. having not invited

25、 I just wonder ____ that delights the whole family so much.

A. how it is          B. what he does   C. what it is         D. how he does

24、______, We were taken to see the library.

  A. We had been shown the classrooms       B. Being shown the classrooms

  C. Having been shown the classrooms        D. Having shown the classroom

23、You can never imagine what great trouble I had _____ the poor boy who was hurt seriously.

A. helping                 B. to help               C. helped            D. help