单选题 Mary: Tom, would you like to go to a party this Saturday?Tom: ______. What kind of party?Mary: It's a birthday party.

【正确答案】 A

【答案解析】[注释] 别人邀请自己参加聚会，表示愿意可以用Sounds good．或I'd love to．不能去一般说I'm afraid it won't be possible．或I wish I could, but I have to...