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
2. The man _____ lives next to us is my English teacher.
A. who m B. which C. who D. /
1. This is the bag _____ my mother bought yesterday.
A. that B. who C. whom D. this
9. ① B ② D 10. ① C ② B