1 . ________ (让我感到非常可笑的是), they both fell into the river while riding a bicycle. (根据汉语提示完成句子）

2 . If you set up your goal and start your preparations as early as possible, you will achieve your ______ to become one of the most famous scientists in the future.

A．amusement

B．ambition

C．appointment

D．agriculture

3 . To our ______________ (amuse), he turned up for class with sunglasses.（所给词的适当形式填空）

4 . Like the young, old people also have the need of cultural life and the need of a_______(娱乐). (根据汉语意思及首字母完成句子)

5 . —What is your favorite ______ of sports clothing?       —Nike.

A．equipment	B．amusement
C．theme	D．brand