问题
补全对话，情景问答
根据所给信息补全对话，每空一词。
Mary: Hi, Betty, can you come to my l. _______2. _______?
Betty: Sure. I'd 3. _______ 4. _______ 5. _______ 6_______ is it?
Mary: It's at 7. _______ on 8. _______
Betty: But where is it?
Mary: In 9. _______ house,4 New Street.
Betty: OK. I'm 10. _______soon.
答案
1. birthday 2. party 3. love 4. to 5. What
6. time 7. eleven o'clock 8. Sunday 9. my 10. coming
±2.58S）范围内的变量值个数占全部例数的（）。