如果你想当演员，你得上表演课。

　　If you are going to be an actor，you have to ______ ______ ______ ．

根据中文提示，用单词或短语的适当形式填空，完成句子。
【小题1】无论我们遇到什么困难，我们都应该试着笑对人生。
No matter what trouble we have，we should always try to________________.
【小题2】如果你想要成功，你得不断尝试，绝不放弃。
If you want to succeed，you should keep on trying and never _______________.
【小题3】他的电脑比我的便宜得多。
His computer is                 mine.
【小题4】直到现在，三聚氰胺仍然在一些食品中被发现，所以我们应该选定适合的方式来避免。
Up till now, Melamine has still been found in some food, so we must  _____________suitable ways to prevent it .
【小题5】在你上交试卷之前，你最好再次仔细检查。
Before you hand in your examination papers, you had better ___________ again.

根据中文提示，用单词或短语的适当形式填空，完成句子。

1.无论我们遇到什么困难，我们都应该试着笑对人生。

No matter what trouble we have，we should always try to________________.

2.如果你想要成功，你得不断尝试，绝不放弃。

If you want to succeed，you should keep on trying and never _______________.

3.他的电脑比我的便宜得多。

His computer is                 mine.

4.直到现在，三聚氰胺仍然在一些食品中被发现，所以我们应该选定适合的方式来避免。

Up till now, Melamine has still been found in some food, so we must  _____________suitable ways to prevent it .

5.在你上交试卷之前，你最好再次仔细检查。

Before you hand in your examination papers, you had better ___________ again.