11.Some people think that there are still dinosaurs______________ in deep oceans.

10.Steven_______________________ the next meeting.

9.He __________his seat on the bus to an old lady.

8.The case with　 the lost boy____________________ by the police at present.

7.Jone___________________ his hat as he entered the room.

6.The children __________________ home happily .

5._____________________ this book and tell me what you think of it .

4.He was invited , but didn't _____________ .

3.The doctor _______ the wound ________the bullet(子弹)。

2.The actors were __________________when we arrived .