地球的生命历史

I didn't have any trouble with it和I hadn't any trouble with it有区别吗?I didn't have any trouble with it.和I hadn't any trouble with it.I should be avoiding him.和I should avoid him.又有什么区别吗? 那：it is a pen怎么改成复数形式 It is a pen.的复数形式是什么? I know the choice which between you and A CHOICE BETWEEN LOVE AND DUTY爱与责任的选择,以这个为题,写一篇100字的英文演讲稿, What a lovely day!A.Yes,isn't it.B.Really?C.No,it isn't.D.I'm afraid not. they study in the same school.but in__classes a:the same b:same c:different d:the different in same are they the school 连词组句 Are your eyes blue 怎么回答 Are your eyes big?怎么回答 do you see differently because your eyes are blue your eyes are dangerous .your eyes are dangerous . BUILT TO LAST怎么样 hunger什么意思 hunger是什么意思 15-minute walk=15 minutes on foot对吗? see sb doing和see sb do的区别和练习题说一下区别,最好详细说一下如何应试.还有关于此知识的习题,题量大一些,答案放在一起. however和however much的区别----they dislike the speech ,they should keep quiet.请说明理由 the one who i however loved so much意思? keep sb doing sth造一个简单的句子 do your work,do not be stupid. could you tell me how to get to Victoria Street?1.-could you tell me how to get victoria street?-victoria street?___is where the grand theatre is.a.such b.there c.that d.this ,我想知道如果有it的话可不可以选it?it和that指代上文提到 can you tell me how can i get to king street同义句can you tell me___ ___ ___ to king street Can you tell me how can I get to King Street.同义句 move on with one's life啥意思? “get on with your life i have gotta get a move on with my life get on with your life 和go on with your life有什么区别吗? I can move on with my life求翻译~ They put up tent by the fire..这里为什么用put up?不能用put out和put on么?请解析下.粘贴帐篷的意思很 yes,I will do it,no matter what happens, I wiil never give up.什么意思 我认为在将来每个家庭都会有一个机器人 i think everyhome will 什么什么?