阅读短文，选择正确的答案。

Ms.Hu :Good morning, boys and girls! I'm Ms.Hu and I'm your English teacher(老师).

Boys and girls: Good morning, Ms.Hu! Ms. Hu : Are you Dave?

A: No. I'm Bill.

Ms. Hu : OK. Now, Bill, what's this in English?

A: It's a ruler, Ms. Hu.

Ms.Hu :What color is it?

A: White.

Ms.Hu :Right.（正确） And what color is this pen?

A: It's blue. I like （喜欢）blue, because(因为) I like the sea(大海).

B: No. The pen is green. And I like green. Look! My jacket is green.

Ms.Hu: Great!