题目内容：

 

1.如果你投入更多的精力，没什么事情是不可能的。

Nothing is impossible if you _______ in _________ ________.

2.我需要停止学习，休息一下。

I need to _______ a _______ from studying.

3.Tom 已经在英语竞赛中三连冠。

Tom has already won three championships ________ a ________ in the English contest.

4.无论他妈妈多忙，她每天为他做晚饭。

________ ________ ________ busy her mother is every day, she cooks dinner for him.

5.Mr. Brown 引导我们在科学课中做的更好。

Mr. Brown ________ us _______ do a lot ________ in science.

6.我昨天弄伤了我的膝盖。

I ________ my _________ yesterday.