I spent a lot of time ______ English last weekend.A. to practice speaking B. practicing to speak C. practicing speaking
I ______ this black bag in the library. Is it yours?
---Gina’s room is not ____________. ---Yes. Her books are everywhere.
---Where are Bill’s jackets? ---_____________.
---What’s the name _______your dog? ---It’s Molly.
---____________ does he like science? ---Because it’s interesting.