shall we clean the classroom now 后有now前面的动词clean

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• shall we clean the classroom now
• Shall we__(clean)the classroom now?用所给词的正确形式填空
• Shall we__(clean)the classroom now?
• shall we clean the classroom now
• shall we clean the classroom now 后有now前面的动词clean
• shall we clean the classroom now 后有now前面的动词clean
• We are free now .Shall we go to the mall and do some (s Our teacher always tell us---(not look)We are free now .Shall we go to the mall and do some (s Our teacher always tell us---(not look)out of the window in class.You'd better ---(not clean) the classroom now.
• 用情态动词填空：1.a:__I have your e-mail address,please?I want to keep in touch with you.b:Sure.It's tomtang@hotmail2.a:It's ten o'clock now.Turn off the lights,John.We__observe school rules.b:OK.3.A:___ I leave early?b:Yes,of course4.a:Look!Our classroom is very dirty.b:We___clean it after class.5.a:Tom looks ill.b:Yes,he does.He___go on working.He___go to see the doctor.6.a:I'm going to buy a ticket for tomorrow's film.b:No,you___.I've got two tickets.I___g
• 传送带为水平,长20米,传送带上各点相对地面的速度大小是2米每秒,某物块
• 23.75g某二价金属氧化物（Mcl2)中含有3.01X10^23个Cl离子,则MCl2的摩尔质量为多少.