听问句，选出正确答句，将其标号填入题前括号内。每小题读两遍。（5小题，每小题2分，共10分）
（1）A. Usually, I come by foot.     B. Usually, I come on foot.
（2）A. No, he doesn’t.              B. No, she doesn’t.
（3）A.He goes to work by bike.      B. He works in a factory.
（4）A.She likes reading stories.     B. She is reading stories.
（5）A. I am doing the dishes.        B. I’m going to do the dishes.