根据对话内容，从方框内选出能填入空白处的最佳选项，其中有两项为多余选项。A. H
题型：补全对话，情景问答
问题：
| 根据对话内容，从方框内选出能填入空白处的最佳选项，其中有两项为多余选项。 | |
A: Hello, Li Lei. Nice to meet you. B: 1______ A: What's your plan for the summer vacation? B: 2______ A: Really? Are you going to Tianya Haijao? B: Yes, we've got tickets there. A: 3______ B: Of course, I'm lucky enough. 4______ A: I am going to Kunming with some of my friends. B: That sounds great. How long will it take? A: 5______ Then I'll be back home to visit my grandpa. B: Have a happy summer vacation! A: The same to you! |
、n个-CH2-、x个-CH3，则x的数目可能是[ ]