Ⅴ.单选。（20分）
（ ）26.Jimmy is ____one-year-old boy and he has ___8-year-old sister.
A.an, B. an, a C .a, a D. a, an
（ ）27.— do you study for tests?
—I study listening to tapes.
A.How; with B. What; with C.How; by D. What; by
（ ）28.We weren’t allowed football in the street.
A.playing B. played C. to play D. to playing
