17. I was born ............ Phu Tho - a province in the North of Vietnam

A.  at           B. in          C. on         D. to

18. She often gets up late ........ Sunday mornings.

A. at            B. on         C. in           D. between

19. Where .......... you yesterday afternoon? You didn't come to English class.

A. were       B. was      C. be           D. are

20. Peter: "Thank you very much for helping the disadvanteged children here!"

Mary: "_________ ."

A. What a pity.                    C. Sorry, we don't know

B. It's our pleasure.            D. That's nice of you.

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