---_____book is this?

--- I think it _____ Carla’s. It has his name on it.

Don’t worry about       , mum. I’m old enough to look after       .

Could you please give me______ on how to improve my English?

He hardly ever feels tired, ______?

---      do you surf the Internet?  

--- Once a week.

He often practices English        chatting with his pen pal in Australia.

Don’t        the bus until it stops. It’s dangerous.

Would you please speak English more       ? I can’t follow you.

Do you have _______ to tell us today, Lily?

---Can you let me know        yesterday?   

---Because the traffic was bad.