---Can you hear me? ---No, I can’t. Would you please speak _________?
I think ____necessary for us _____the birds.
Parents ______ good conditions(条件) _______ us. We should be grateful(感激的)to them.
I have _____ useful dictionary. Do you have ______?
---Mum, we have many shows about different festivals around the world. It’s very interesting.----Great. .
–Let’s play computer games.-----Great! That sounds .