求老师解答：根据句意和所给汉语提

根据句意和所给汉语提示,写出句中所缺单词的正确形式.
1.If you want to look for _____ (乐趣),go to see the beautiful scenery in the countryside.
2.In Class 8,some students' photographs are on _____ (展览) on the back blackboard.
3.Don't _____ (错过) any good chances that you have.
4. The teacher's class doesn't _____ ( 使……感兴趣) the students.It's boring.
5.His expression _____ ( 暗示) that he didn't sleep well last night.