单选题
【正确答案】 C
【答案解析】[听力原文]
M: I bought a radio for my son on his birthday.
【正确答案】 A
【答案解析】[听力原文]
W: I go to school by bike every day.
【正确答案】 A
【答案解析】[听力原文]
M: Jim got a little dog on his birthday.
【正确答案】 A
【答案解析】[听力原文]
W: You can get across the street when the light turns green.
【正确答案】 C
【答案解析】[听力原文]
M: Last Friday I took the number 21 bus to my friend's house.