All of sudden, the bedroom window flew open.
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He gave correct change to me, but I dropped three coins.
A. a
B. an
C. the
D. /
What really happened that day is matter of debate.
A. a
B. an
C. the
D. /
His first job paid less than $5 hour.
A. a
B. an
C. the
D. /
Lisa decided to do best she could.
A. a
B. an
C. the
D. /