用所给单词的适当形式填空。

1.My mother always ________ (cook) meat for me.

2.He is ________ (read) a book in the living room now.

3.Let's________ (make) a big cake.

4.I always________ (wash) dishes for my mother.

5.He wants to be a ________ (drive) in the future.

证券投资人主要由（）构成。

A.政府机构

B.金融机构

C.企业和事业法人及各类基金

D.个人投资者