30. – Why does the boss look worded?– Tom left the company a month ago and his work unfinished ever since.

—Hello, can I speak to Robert, please?—Hold on, please. He ________ in the garage.

Are you really suggesting she __________ this on purpose?

 —Now the weight. Only 115. You’d better put on a few pounds.—Well, actually, I ________ like a horse.

We have done things we ought not to have done and_____ undone things we ought to have done. 

---Alice, what’s wrong with you? You look so worn out. ---Nothing serious. I        my new house all day and I’m afraid I won’t finish until tomorrow afternoon.

Help! My door shut after me and the eggs _________ in the pan. 

—Seems you are quite familiar with Russia.—That is because I _________ the country in 1999.

I ______ him in time, otherwise he would have fallen off the bike.

 His silence suggested that he_______the truth already.

29. If city noises____from increasing, people___shout to be heard even at the dinner table 20 years from now.

—You look tired.  —Yes. I _____ non-stop until twelve o’clock.   

Do you know what ___ while you were away from home?

The trains___ the travellers who want to go to other places.

 —Hi, Li Ming. Where are you going?—Oh, it’s you—Xiaohui. I ______ you.

Sichuan province ______by the earthquake，causing difficulties to the post-festival road transport.

Johnson can now operate the machine much better than he_______.

—What’s that terrible noise?—The neighbors_______for a party.

 -Peter!Hurry up! You _______ on the phone. -Oh, I _______ . Thank you. 

In the last ten years, they _______ three great scientific experiments.