professor li,many students want to see you.shall they wait here or outside!

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• professor li,many students want to see you.shall they wait here or outside!
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• professor li,many students want to see you.shall they wait here or outside!能用will代替shall吗?我只能从语感上判断应该是shall.但有一说是shall用于第一人称了嘛!这儿是they,为何用shall,不用will.明天要用
• Professor Wang,many students want to see you._____they wait here or outside?（d）A.Do B.Are C.Will D.Shall
• 有关情态动词的：1.Mr Black ,many customers want to see you._____they wait here or outside?A.will B.shall C.can Dwould2.The woman you saw in the supermarker____be Mary.She is in hospital naw.A.can't B.needn't C.shouldn't D.mustn't3.You_____ be sleepy already -you went to bed early last night.A.mustn't B.can't C.wouldn't D.needn't4.Could I yse yout computer to type a letter You____have my computer if you don't take good care of it.A.shall not B.might not C.need
• professor li,many students want to see you.shall they wait here or outside!
• professor li,many students want to see you.shall they wait here or outside!
• Mr.White ,many customers want to see you._Shall they wait here or outside?怎么用shall?
• Professor Wang,many students want to see you._____they wait here or outside?（d）
• 用1、2、3、4、5、6、7、8、9这9个数字组成质数，如果每个数字都要用到并且只能用一次，那么这9个数字最多能组成多少个质数？
• 双曲线C的方程为X^2/4-y^2=1,直线L的方程为Y=kx+1在下列情况分别讨论k的取值范围