听对话,根据问题选出正确答案。 ( ) 1. A. Have a picnic. ( ) 2. A. Rice. ( ) 3. A. Black. ( ) 4. A. Taking a message. ( ) 5. A. Have a toothache. B. Go swimming. B. Noodles. B. White. B. Greeting each other. B. Have a fever. C. Plant trees. C. Dumplings. C. Blue. C. Making a telephone call. C. Have a sore throat.