选出你所听到的句子。 (______) 1. A. Who's this? B. What's that? C. How are you? (______) 2. A. He has got happy family. B. I have got a happy family. C. I have got a mascot. (______) 3. A. It's twenty past nine. B. It's half past nine. C. It's twenty to nine. (______) 4. A. The train can run at 300 kilometres an hour. B. The train stops at Changsha Station for two minutes. C. The train starts from Wuhan at 2 pm. (______) 5. A. In one minute the fastest car can go about 20 kilometres. B. In one minute the fastest train can go about 8 kilometres. C. In one minute a top athlete can run about 400 metres.