Listen and answer.( 根据你在录音中的问题，将下面每组答句中最合适的答案选出来，并将其前面的字母符号填在句子前面的括号里，每小题2分，共10分）
（1）A. No, he isn’t.
B. Yes, she is.
C. Yes, I can.
（2）A. Yes, there is.
B. Yes, there are.
C. Yes, there aren’t.
（3）A. Yes, we do.
B. No, we have.
C. We have a computer.
（4）A. I can empty the trash.
B. He can wash the clothes.
C. She can set the table.
（5）A. Grapes. B. Dogs C. Onions.