4．　　 Swimming is one of the world’s most popular water s___________.

3．　　 Books give us k_______________, so please read more books.

2．　　 I want to buy two b_____________ of flowers.

1．　　 Water p______________ is bad for our health.

5. Sandy has lots of ______________ (业余爱好)。

4. Science is one of my favorite _____________ (科目)。 What about you?

3. _______________ (冲浪) is one of the world’s most popular water sports.

2. We should keep the _______________ (平衡) of the nature.

1. I haven’t heard from him since last _______________(一月)。

32. ---Who taught _______ French? --- Nobody. She learned all by _______.

A. herself; her　 B. she; herself 　C. her; herself　 D. Her; she