用方框中所给的选项补全对活(有两个多余选项)。

A. Football. B. Let's play football. C. Hello, Tony. D. How old are you? E. Good morning. F. It's Saturday. G. What's the weather like?

A: Good morning, Tony!

B:

A:

B: I'm fifteen.

A: What day is your favourite day?

B:

A: What's your favourite sport?

B:

A:

B: Good idea.