Do you know the year ______our school was established ?
A. which
B. that
C. when
D. on which
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This is the house _______last year.
A. which they stayed
B. at that they stayed
C. where they stayed at
D. where they stayed
I don't know the reason_____ he was absent yesterday?
A. who
B. where
C. why
D. which
That's the garden ____ he planted a lot of flowers last month.
A. which
B. whom
C. whose
D. where
Do you know the girl_____ father works in the company?
A. whom
B. whose
C. which
D. who
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