16. There is a factory near the farm. Many people work in _____ factory.

   A. the                 B. a                 C. an

17. —Why are you so happy, Betty?

—Because grandpa is making a snowman with ____ .

A. I                  B. my                C. me

18. —Where’s the tea, Mum?

—It’s ___ the bottle. Just take the bottle away and you can find it.

A. behind             B. in                 C. in front of