阅读下面短文,掌握大意,然后从每题所给A、B、C、D四个选项中选出最佳答案。
Miss Wang: Good morning, boys and girls! I'm Wang Li. And I'm your English teacher.
Boys and girls: Good morning, Miss Wang!
Miss Wang : This is Helen. She is English.
Helen: I'm Helen. I'm twelve. Nice to meet you.
Miss Wang : Are you Dale?
Frank: No, I'm Frank.
Miss Wang : OK. Now, Frank, what's this in English?
Frank: It's a ruler, Miss Wang.
Miss Wang : What color is it?
Frank: White.
Miss Wang : Right. And what color is this pen?
Helen: The pen is green. And I like green. Look! My jacket is green.
Miss Wang : Great!