–I’m sorry. I _______ at you the other day.
--Forget it. I was a bit of out of control myself.

—Please let me know where David is. I couldn’t find him anywhere.
—Well, he _____have gone far—his coat’s still here.

Liza ______ well not want to go on the trip — she hates traveling.

We can see light in his office. He___________ be in his office.

It is usually warm here in March, but it _____ be rather cold sometimes.

— Mum, would you please buy me an MP5 player?
— If you can help do some housework the whole vacation，you ____ have one as a reward.

––I didn’t go to work yesterday because my car broke down.
––You _____ mine. I wasn’t using it then.

--Mr. Yang looks rather a kind gentleman.  
---But in fact he is cold and hard on us. You _____ believe it!

You needn’t have come in person --- a letter _____enough.

---When shall we meet your cousin at the station?
---His plane took off 2 hours ago, and it _________ arrive at 5pm.