阅读下列对话，选择正确的答案。
Miss Wang: Good morning, boys and girls! I'm Wang Li. And I'm your(你们的)English teacher(教师).
Boys and girls: Good morning, Miss Wang!
Miss Wang: This is Helen. She is English( 英国人).
Helen: I'm Helen. 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?
Frank: It's blue. I like(喜欢)blue, because(因为)I like the sky(天空).
Helen: No. The pen is green. And I like green. Look! My jacket is green .
Miss Wang : Great!
1. __ is the English teacher.
A. Helen
B. Frank
C. Miss Wang
2. The boy is _ .
A. Frank
B. Dale
C. White
3. The ruler is __ .
A. blue
B. green
C. white
4. The jacket is __ .
A. white
B. green
C. blue
5. The ______is blue.
A. ruler
B. sky
C. pen