题目内容：

用方框内所给词的适当形式填空，每词仅用一次。

manage   speech   nature    so that   with

1.If you know, answer in a loud enough voice ________ all the class may hear.

2.We can hardly see this kind of plant in the ________ world now.

3.People make short ________ and give thanks for their food.

4.The most important thing is, he has __________ to save us all.

5.I can’t win the prize in the violin competition _______ your help.