$\text{27. C}$

$\text{28. A}$

$\text{29. She said to me that she would come to see her grandparents the previous day.}$

$\text{30. The victims of the flood were provided with food and clothing.}$

$\text{31. The last time i travelled by air was ten years ago.}$

$\text{32. Bob advised me not to drink too much coffee at night.}$

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28 A

1 She said to me that she would come to see her grandparents the next day.

2 The victims of the flood were provided with food ang clothing.

3 The last time I traveled by air was 10 years ago.

4 Bob advised not to drink too much coffee at night