Yoko told me about the students …………. have taken the entrance exam 13 times.
      a. who                         b. whom                         c. which                         d. whose
2. I’m looking for an electric can opener......................also can sharpen knives.
     a. who                         b. which                         c. that                         d. b &c
3. People .................. live in glass houses shouldn't throw stones.
a. who     b. whom     c. which     d. θ
4. The problems .................. Tony has come over are so terrible.
     a. what                         b. he                         c. that                         d. who
5. Ms. Donaldson,................. teaches linguistics at the university, has recently re­ceived recognition for her research.
     a. who                         b. whom                         c. which                         d. that
6. The earth, .............. is the fifth largest planet in the solar system, is the third planet from the sun.
     a. who                         b. whom                         c. which                         d. that
7. The check................I gave Oliver was for work he'd done for me.
     a. who                         b. which                         c. that                         d. b & c
8. One of the people arrested was Mary Brown, ................. is a member of the local council.
     a. that                         b. who                         c. whom                         d. whose
9. The Titanic,................sank in 1922, was supposed to be unsinkable.
     a. whose                         b. that                              c. which                         d. who
FUTURE (