1 . when you have finished the refer book , you can tell me if it's worth______
2. He was very lucky to escape_________ into the trap
3. If a thing is worth ____________ it is worth doing well
4. I can't stand ________the same film twice
5 . Joe was so downhearted that he couldn't help ____________
6. It's no use __________gamblers to give rp gambling
7 . It's no good __________overnight for an exam
8 . The students kept on _______noise
9 . I'm thinking about ____________cxercise every morning to keep fit
10 . She burst out___________because he looked so funny