— The floor is dirty.— Yes. It _______ for two days.

 My sister_____ Tony for ten years next year.

 Do you know a concert _____ in our hometown next month?

Tom，as well as his friends，______ going to visit the Great Wall this winter vacation.

  ---What were you doing when I phoned you?---I had just finished my homework and ______ to take a bath.

Look out! The train ________.

The crowd ________ eastward, believing that they can find gold there.

The new secretary is supposed to report to the manager as soon as she ________.

This is the first time that he           your hometown.

Mr. Mao, who     as a construction worker for over 8 years, is now a distinguished lawyer in this country.

 I’ll go to the library as soon as I finish what I       .

 —You've got your flat furnished, haven't you?—Yes. I      some used furniture at the Sunday Market and it was a real bargain.

 — Mum, I really think Dad should have a break and get relaxed.—Yes. He_________ too long.

The central heating system of this office building is down and several workers ______ it right now.

China's present environment situation is from bad to worse and if we _________ now to protect the environment, we’ll live to regret it. 

 ---Can I join your club, dad?---You can when you _______ a bit older. 

Because the shop_______, all the T-shirts are sold at half price.

The calculations, had they been done by hand, ______all practical value by the time they were finished.

After school we went to the reading-room to do some reading ,only to be told that it _______.

 Barbara is easy to recognize as she’s the only one of the women who ______ evening dress.