We all know that learning a skill _________ time and effort.
----- Is this book ? -----Yes, it’s English book. A. a, a B. an, a C. a, an
----- _____________ ----- I’m fine. Thank you.A. Are you Michael?B. How are you?C. How do you do?
----- My name Mary, and name is Tom. A am, her B. is, his C. is, is
---What a nice meal! It's really kind of you to invite us.--- __________. I'm glad you liked it.
In our school library, there _____a number of books on science andthe number of them _______growing larger and larger.