1.There is still some doubt whether the sports meeting will be held in our school, but there is no doubt that it will be held soon after the National Day.
2.(江苏卷)Much time spent(spend) sitting at a desk, office workers are generally troubled by health problems.
3.When you stopped eating, you should put down the knife and fork;the fork on the left side of the plate and the knife on the right side.
4.Good behavior(behave) should be rewarded, which can help encourage others to learn from those good people.
5.She dreams of_/about becoming a pianist, so she makes the most of her time to play the piano.