here you are,You must look ( )your things.并

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• 英语翻译Thanks for the pictures...delay is not so big problem!they all look good to me.must be difficult to copy this sort of work but good result i think.its ok for you to ship them asapby the way do you have any recommendations or details on how to frame these oil paintings?would appreciate your advice?
• You must look after your things.的翻译
• 用括号中词的适当形式填空 It’s imporant（）（obey）the traffic rules I would advise you用括号中词的适当形式填空1.It’s imporant（）（obey）the traffic rules2.I would advise you（）（not buy）that T-shirt.It makes you look fatter3.Everyone must wear（）（suit）clothes on every occasion4.This story is one of（）（intesting ）stories of all5.When you play the game ,you must keep your eyes（）（close）.6.Mother allows me（）（chat） with my friends on the Internet once a week7.（）（hide）in the forest is a good
• 英语介词选择题7题（二）,1.He got back____at four.A.to home B.at home c.his home D.home2.Come___quickly.I have something interesting to tell you.A.to here B.up to here C.here D.into here3.These two young men stood____watching the train moving away.A.by there B.from there C.there D.to there4.When you do eye-exercise,you must keep your eyes_____.A.close B.closes C.closing D.closed5.The boat is left___by the bank of the river.A.along B.alone C.long d.lonely6.He has
• Look at the sign.You can( )your car here
• 1.My little brother is ill,I must look__him at home 2.It's very hot,you'd better take__your coat.
• look at the___lines.You must cross the street here.
• You must look after your things,Tom.的中文意思
• You must ---------（带来）your coat here next time
• You must look after your school things.
• 1.一只空玻璃杯的质量为300克,装满水后的总质量为700克,若将200克的颗粒状的沙子缓慢的浸没到玻璃杯中,称得玻璃杯的总质量为820克,且玻璃杯的容积为400cm^3.求：沙子的密度.2.空心的金属球的体积为30厘米^3,质量为156克,如果金属球的空心部分注满水,则总质量为166克.且金属球空心部分的体积为10cm^3.求：该金属的密度.
• 如果2000X的三次方=2001Y的三次方 = 2002Z的三次方,且三次根号下2000X的平方+2001Y的平方+2002Z 的平方=三次根号下2000+三次根号下2001+三次根号下2002,求 X分之一+Y分之一+Z分之一?