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Na2CO3CaHCO3CH3COOH
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.以下所有单词的三单形式、现在分词以及过去式...swim,lie,sit,make,fly,stop,shave,say,cook,walk,jump,clean,study,see,read,play,die,dance,drive,run,sing,drink,give,thank,watch,wash,buy,visit,eat,open,plant,shut,leave,draw,dive,rain,s
what,today,do,we,english,day,chinese,me,have,tuesday,用这些填下列句子,amy：（）（）isittodaymike:()is()amy:what()you()onwednesdays?mike:()have(),(),artandscience.amy:Doyouhavemathsonwednesdays?mike:Let()see.Oh,ye
【GetreadyFive,four,three,two,one,blastoff(发射)!Withthelastwords,GetreadyFive,four,three,two,one,blastoff(发射)!Withthelastwords,fiverocketsflyupintothesky.Thesearenotrealrocketstakingoff,though.Theyaremo】
