题目内容：

Complete the sentences with the given words in their proper forms（用括号中所给单词 的适当形式完成下列句子)

1.Peter saw two ____break into the house and he called the police.（thief）

2.Mrs Smith will tell you her ____time by e-mail as soon as possible.（arrive）

3.We'll celebrate my grandma's____ birthday at that restaurant tomorrow.（ninety）

4.Jean Henry Dunant was the first____ to win a Nobel prize in peace.（Europe）

5.We will ____the commuting time after the new bridge is built.（short）

6.Lily's mom had a conversation with her____for she spends too much on name-brand clothes.（gentle）

7.At last the climber____ in conquering the difficult mountain.（success）

8.I think swimming is ____the best form of exercise you can get.（probable）