—Will you stay for lunch? — Sorry, _____

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问题选择题

— Will you stay for lunch?

— Sorry, ______. My brother is coming to see me. [ ]

A. I mustn't

B. I can't

C. I needn't

D. I won't

答案

答案：B

选择题

---People, especially teens, think it_______ great fun to surf on________ Internet.

--- I agree with you.

A．a; the

B．a; /

C．/; the

D．/；/

填空题

若a=1，b=4，c=3，则表达式!(a＜b)||!c＆＆1的值是______。