12. The man _____ was here just now is a doctor.
A. whom B. who C. / D. he
11. This is the only article of these that _____ written by him.
A. was B. were C. is D. are
10. This is the best book _____ I have been looking for all this year.
A. who B. whom C. which D. /
9. Please show me the book _____ you bought yesterday.
A. which B. whom C. whose D. this
8. _____ cleans the blackboard should be praised.
A. That B. Who C. The one who D. The students who
7. The girl handed everything _____ she had picked up in the street to the police.
A. which B. in which C. that D. all
6. The only language _____ is easy to learn is the mother tongue.
A. which B. that C. / D. it
5. Is this factory _____ a lot of students visited yesterday?
A. the one B. that C. which D. /
4. Is this the factory _____ a lot of students visited yesterday?
A. the one B. which C. who D. whom
3. The girl _____ you saw in the street is Mary.
A. that B. whose C. which D. as