完成句子。（每小题1分，共9分）
小题1:The ________________________(develop) of science has changed our life a lot.
小题2:Listening to a talk is ___________________ (please). We all feel bored.
小题3:Most of the visitors got lost in the ___________________(beautiful) of Tianmu Lake.
小题4:It’s __________________(use) to talk so much if you don’t match your words with actions.
小题5:All of us were excited at those ________________ (perform) performance.
小题6:Thousands of_____________________(tour) come to visit our city every day.
小题7:It’s his _________________(five) day in Guiling.
小题8:You are great. You have worked out the problem _________________.(success)
小题9:It’s over three years since I ________________(come) back form Beijing.