1 . It is a waste of time _________ (try) to explain the problem to him. (所给词的适当形式填空)

2 . When it comes ________ in-person humor, effort counts a lot. (用适当的词填空)

3 . Hardly ___________________(她刚一走进办公室就) a loud alarm sounded. (根据汉语提示完成句子)

4 . It is no use ____________ (complain) all the time and what you should do is look on the bright side. (所给词的适当形式填空)

5 . There is no ____________ (deny) that people should attach great importance to physical exercise. (所给词的适当形式填空)

6 . We ________________ we were asked to practice singing.(leave)
我们正要动身回家，这时被叫去练歌。

7 . I was about to lock the door ________ the telephone rang. (用适当的词填空)

9 . 有你在这个队里，我们有信心赢得这场比赛(confident)。(汉译英)