Dear Alice,
I just received your letter. And I was very surprised to know that you decided to drop out of school and wanted to be a model（模特）.
Being a model for a living is not easy. In fact, a famous person like me has a lot of problems that you couldn’t see. I can’t eat what I like, even though I’m very hungry. Keeping thin makes me look more beautiful on the stage because no one would like to see a heavy model.
Besides, I have to wear a heavy coat in the hot sun, in a swimming suit in the cold air. And practicing walking nicely every day is tiring for me.
You might say I made much money from modeling. But my dear niece （侄女）, you have to know that money is nothing, knowledge is everything. School is important and everyone should go to school for a certain period of time. The longer they stay at school, the better they will be. Very often, I hope I can give up my job and continue my studies at school. But it is very difficult for me to go back to school again. I am too old to go back to school now.
You are a pretty young girl with a bright future. You only have one year to finish your studies in high school. A year is really short. Please do consider my words carefully before you decide. Of course, there is only one thing I care about, and that is your happiness.
Love,
Emma
【小題1】What was Emma surprised about?

You can't play with your rabbit ______ you finish your homework.

A. because   B. while    C. after    D. until

—Mum,        I watch TV now ?

       —No, you        finish your homework first.

A. may, need           B. can, have to      C. do, must             D. may , must

C：用所給動詞的正確形式填空。