——  　　　. I have to look after my young brother.

Shop worker: What can I do for you?

Betty: {#blank#}1{#/blank#}

Shop worker: What colour do you like?

Betty: Purple.

Shop worker: All right. {#blank#}2{#/blank#}

Betty: Small.

Shop worker: What about this one?

Betty: {#blank#}3{#/blank#}

Shop worker: Certainly.

Betty: Oh, I like it.{#blank#}4{#/blank#}

Shop worker: It's 198 yuan.

Betty: {#blank#}5{#/blank#}

Shop worker: But wait a minute! There is a sale on today. Everything is half price.

Betty: OK! I'll take it.

A. That's too expensive.   B. May I try it on?

C. I'd like to buy a T-shirt.   D. I'm afraid I don't like it.

E. How much is it?   F. What else would you like?

G. What size do you take?

—Yes, I am.

—                      You can come to my office after school on weekdays.