Ⅲ. 选词填空。根据句子内容，从方框中选择恰当的单词，并用其正确形式填空。每个单词只能使用一次。
read study be buy use
1. —What do you want ______________ when you grow up?
—A writer or a teacher.
2. —Do your parents allow you ______________ the mobile phone?
—Yes, because I have finished all my homework.
3. —Did your English teacher advise you ______________ English every morning?
—Yes, she did.
4. You need to ______________ English well if you want to be a translator.
5. —Did the boy want ______________ the most expensive coat in the shop?
—Yes, he did. But he didn't get enough money.

1. to be
2. to use
3. to read
4. study
5. to buy