—Andy works hard．—So he does．He is often seen _____ heavily before his teammates have even arrived at practice．

----I don’t suppose the police know who did it.----Well, surprisingly they do. A man has been arrested and _____ now.

Internet, as well as telephones, ____ an important part in daily communication. 

---Where___?—I got caught in the heavy traffic, or I ___ here earlier.                                        

—You speak very good French!                                                                 —Thanks. I ______ French in Sichuan University for four years. 

This is the first time that I _____ at the meeting.

— Where _______ you put my dictionary?— I left it on your desk when you _______ to Tom.

— That’s the third time he’s won the award in this field.— Yes. He ______ his maximum potential in the past decade.

—Hi , Tracy , you look tired.  —I’m tried. I ______ the living room all day.

Each of the students, working hard at his other lessons, ___ to go to university. ---  So do I.

– Did Alan enjoy seeing his old friend yesterday? -- Yes, he did. He ______ his old friend for a long time.

Fruit and vegetables          in areas_________ there is enough water.

The Tibetans          in the Himalayas for centuries and have adjusted to the conditions at________.

Great as Newton was, many of his ideas _______ today and are being modified by the work of scientists of our time.

Fan Bingbing is easy to recognize as she’s the only one of the women who________ the    bright evening dress tonight.

The house could fall down soon if no one       some quick repair work.

We would have avoided that terrible accident,        Jack, the driver,       too much that night.

The old woman who          in the deserted house alone for ten years has been settled in a nursing home now.

—What is that noise?—Oh,I forgot to tell you that the new machine         .

—Is Paul playing basketball for his school?—Well,he       ,But he has given it up and switched to playing volleyball.