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