Betty, why didn't you answer the phone last night?—Oh, sorry about that. My mobile phone ______ in the living room.
--- It’s a fine day today. Why not go out for a walk? ----___________.
I want to learn swimming. Can you give me?
---Have you finished the book? ----No,I haven’t.But I will finish it soon.
The plane didn’t take off the heavy rain
Mr.Smith has been here for many years,he has few friends.