【正确答案】
B
【答案解析】[听力原文]
Can I borrow your book for a moment?
【正确答案】
A
【答案解析】[听力原文]
Mary"s room number is 501.
【正确答案】
C
【答案解析】[听力原文]
Last Sunday my family went to the zoo and had a good time.
【正确答案】
C
【答案解析】[听力原文]
When I knocked at the door he was doing his homework.
【正确答案】
B
【答案解析】[听力原文]
I have been to Nanjing for three times this year.