16. Rachel’s mother paid for the meal, ____- was very kind of her.
A. that B. who C. which D. where
17. I know ____- how she left.
A. exactly B. exact C. certainly D. certain
18. John: “Thank you very much for a lovely party.”
Jane: “_______. ”
A. You are welcome B. Thanks C. Cheers D. Have a good day
19. By the time he _____, all his classmates ______- .
A. arrived / left B. had arrived / left
C. had arrived / had left D. arrived / had left
20. His parents felt quite ___- with his exam – result.
A. contentedly B. happiness C. happily D. contented
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