11.　 They are busy _______ (wash) the clothes all the time .

10.　 She is good at _________. She is a good _______(skate)

9.　　　 He _________ (visit) the USA. When he was fourteen.

8.　　　 He __________ (become) a professional soccer star when he was twenty-two.

7.　　　 When_______ she _________ (jion) the national table tennis team?　 In 1988

6.　　　 Can you see a dog ________ (lie) behind the door?

5.　　　 He _______ (watch) TV and then read a storybook.

4.　　　 It’s 8:00 . The boys ______ (play) football on the playground.

3.　　　 Who ________ (buy ) a new bike yesterday?

2.　　　 Please _________ (not put) these clothes here.