In U.S. you must wear a________when you ride a bike.
A.helmetB.hatC.scarf
—Let’s go to Children’s Center!
—______________________
A.That’s all right. B.Thank you. C.Hooray!
—Excuse me. Can you help me?
—_______________________
A.By bus.B.Good. C.Yes.
—Where’s the park?
—_______________________
A. Is that far from here?
B. It’s near the schol.
C. Let me help you.
选出不同类的单词。
（1）( )A.farB.often C.usuallyD.never
（2）( )A.where B.whoC.byD.how
（3）( )A.subwayB.plane C.walkD.train
（4）( )A.our B.myC.ID.her
（5）( )A.USA B.schoolC.cinemaD.restaurant