Read and choose (读句子，选出正确的答语。)
—What are you going to be when you grow up? -- .
A. I’m a teacher. B. I’m a writer.C. I’m going to be a doctor.
—What are you going totomorrow ? —A comic book..
A. buyB. doC. be
--are you going to the bookstore? --This afternoon.
A. How B. WhatC. When
I’m going to the supermarket my sister.
A. ofB. withC. and