1．　　　　　　　　　　　Europe covers about 10 millions square kilometers.

5.Let’s clean up._____ _______ ? (反意疑问句)

4. Garbage is a type of population.(画线部分提问)

_____________Is garbage?

3．　 What does rubbish mean？(同意句)

What’s ______ _______ _______ rubbish?

2．　 It’s a nice day.________ ________ ? (反意疑问句)

1．　 Clean up your desk please.______ _______?(反意疑问句)

11.Where is Danny , He ________(go) to the library.

10.Two _________ (visit) are visiting China now.

9．　 People use computers _________(wide) to slove problems in their work

8．　 What about _________ (travel) around the world?