Ⅰ. 单项选择
( )1. Jimmy is ____one-year-old boy and he has ___8-year-old sister.
A. an, an B. an, a C .a, a D. a, an
( )2. —Are you afraid of ____at home, Linda?
—No, I’ve grown up.
A. alone B. being C. lonely D. being lonely
( )3. Did you find ____very interesting to play soccer?
A. this B. it’s C. that D. it
( )4. You’ll fail the test ____you work hard .
A. if B. since C. unless D. when
