题目内容：

根据汉语和句意提示填空。

1.I have many musical instruments. I can play the _______(小提琴).

2.I’m not sure _______(是否) he will come or not tomorrow.

3.Miss Wang made her classmates ___   _  (大笑) yesterday.

4.Don’t worry. There’s ________ _________ (不严重) with your leg.

5.Computers are widely used in people’s ___________ _______(日常生活) in the future.