5 — Is this _____ apple tree? — No, it is ______ orange tree.
A. an / the
B. the / the
C. an / an
D. the / an
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6Congratulate your friend on being admitted_______a nursing school.
A. to
B. for
C. on
D. from
7The flowers are________lovely and sweet that they may feel much better.
A. very
B. so
C. such
D. rather
8 I hope you’ll enjoy________them.
A. to keep
B. to be kept
C. keeping
D. have kept
9It’s very kind________you to say so.
A. of
B. for
C. to
D. at