Question

21.A waitress served us. She was very impolite and impatient. (WHO)

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22.Ms. Taylor is very gentle. I met her son on the stage last night. (WHOSE)

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23.I found a man's wallet. He gave me a reward. (WHOSE)

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24.The children sang and danced aloud all night. This kept their parents awake. (WHOSE)

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25.Teacher's Day is a special day. All the students show their gratitude to their teacher on that day. (WHEN)

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26. The last person who leaves the room must turn off the lights. (TO LEAVE)

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27. We have some picture books that your children can read. (TO READ)

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28. The woman who's talking to my mother has just returned home from London for several days. (TALKING)

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29.Can you see the notice which warns commuters not to turn left? (WARNING)

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30.The staff who did not complete their tasks before deadline yesterday explained their reasons to the boss. (NOT COMPLETING)

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Answer 1

21. Who served us was a very impolite and impatient waitress.
22. Ms. Taylor, whose son I met on the stage last night, is very gentle.
23. The man whose wallet i found gave me a reward.
24. Whose singing and dancing aloud all night kept their parents awake were the children.
25. Teacher's Day is the special day when all the students show their gratitude to their teacher.
26. The last person to leave the room must turn off the lights.
27. We have some picture books for your children to read.
28. The woman talking to my mother has just returned home from London for several days.
29. Can you see the notice warning commuters not to turn left?
30. The staff not completing their tasks before the deadline yesterday explained their reasons to the boss.