--- Hello, can I speak to Mr. Green, please?
--- I’m afraid not. He ______ a meeting now.

---Where does he live?   --– He ________London.

—Where is Mike?  —He’s _______ the pool.

-All of us _______ sometimes.
-You had better have a good rest when you are free.

There ________ elephants if we don’t protect them now.

Mary _____ by the lake when a black cat ran past her.

I’m hungry. I_____ breakfast yet.

Our physics teacher told us that light ________ faster than sound.

一 Would you like to see the film with me ?
一 Sorry.I ___________ it twice.

-----Were you at home at 9 o’clock last night?
-----Yes, I           a shower at that time.