1£®I felt a great sense of  ________ (achieve) when I reached the top of the mountain.

2£®Jack, behave  ________ (you)! If you keep on doing that, you'll end up in serious trouble.

3£®She was sitting  ________ the shade of a large oak tree.

4£®The guard blew his whistle and the train moved  ________£®

5£®The telescope is used for the  ________ (observe) of distant stars.

6£®After a long time of discussion they accepted the agreement without  ________ (argue)£®

7£®She shut her mind against the fears which crowded  ________ on her.

8£®Don't look down  ________ Jack. He has his own advantage. Where others are weak, he is strong.