A. You are an expert on such occasionB. That's why I want your helpC. you have received the invitation cardTom: Hello, Rose. How are you getting along these days? Rose: Pretty fine, Tom. I'm wondering if【D4】______ .Tom: Yes. Thank you. And I've posted a card to say that I will attend your 50th wedding anniversary. Oh, I posted last Sunday.Rose: I haven't received it. It may have got lost. I am really glad that you'll come.Tom: I'm counting on the day of your anniversary.Rose: Would you come a day earlier? Frankly, I want your ideas and help with the preparation.【D5】______ .Tom: You're lucky, Rose. I'm free for the two days before your anniversary. I'll be with you on July 2, that is, a day earlier than your anniversary.Rose: That's my friend.Tom: How many guests have you invited? 20?Rose: Double that.【D6】______ .