Here's ____ exercise book. Is it ____ ?
A. a; his
B. an; her
C. a; mine
D. an; yours
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People often go to swim in ____ summer.
A. /
B. a
C. an
D. The
What ____ good idea it is!
A. a
B. an
C. the
D. /
____ interesting film! We all like it very much.
A. What an
B. What a
C. How a
D. How
There's ____ orange tree behind ____ house
A. an; the
B. a; a
C. the; the
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