---Mum, can I go to the zoo with Linda?

---When your homework ____, you can.

A. is finished          B. was finished         C. finishes             D. finished

---Where’s Li Hua?

---Look! He ____ tennis on the playground.

A. plays　　　　　　　 B. played　　　　　　　 C. was playing 　　 D. is playing

---Have you read this book?

---Yes. I ____ it two weeks ago.

A. am reading           B. have read            C. will read            D. read

When we got to Yushu airport , we were told that they ____ more than 500 people from the ruins (廢墟) by earthquake.

A. has saved            B. saved                C. had saved        D. have saved

— Excuse me, what's this for?

—It's a cleaner and it ____ to pick up dirt.

A. uses             B is used               C is using              D. used

 ---There’s too much salt in the Chinese diet.

 ---So there is. The WHO says only 1.5 grams of salt ____ for each man every day.

A. is needed            B. needs                C. will need            D. has needed

The plane ______ when we got to the airport.

A. had taken off      B. was taken off     C. will take off     D. is taking off

In the past few years there ______ great changes in my hometown.

A. have been        B. were           C. had been         D. are

—What do you think of the film“Avatar”?

—It’s fantastic．The only pity is that I________ the beginning of it．

A．missed　　　　 B．was missing　　　 C．miss　　　　 D．will miss

—Do you know if Cindy will drive to Italy this weekend?

—Cindy? Never! She 　 driving．

A．has hated　　　 B．hated　　　　　　 C．will hate　　　　 D．hates