显微镜的组成

He is good at playing basketball .(同义句） is he good at playing basketball 同义句 he is good at playing comeputer games的同义句 东西两地相距7.5km,小东从东向西走65m/分；小希从西向东走85m/分；小辉骑车从东向西250m/分.三人同时出发途中小辉遇见小希立即折回向东行；遇见小东立即折回向西行、、、、、直到三人相 allow doing与allow sb to do sth 有什么区别? allow sb.to do sth.和allow doing sth.有什么不同?应该什么时候用哪个? allow sb.to do和 allow sb.doing 的区别 He is good at playing basketball.He____ _____ _____ _____basketball.(同义句) i want to buy a toy for her 同意句 I _ _to buy _ a toy Helen is good at basketball.改为同义句 Yao Ming is good at playing basketball.（同义句) Yao Ming ______ ______ ______playing basketball. I want to buy him a present 同义句I ______ ______to buy ________ ________ _______ _ ________ be allowed to do sth和allow sb to do sth有什么区别?怎么运用?allow doing sth怎么用? back to shanghai.back shanghai哪个对 动词不定式在句子的哪里?I want to go to the movies with you.我想跟你一起去看电影. 用动词不定式完成句子~1.Don't forgot___________(下次带她来）.2.Let's stop___________(休息一会)3.I can't decide___________(借哪本书)4.Could you tell us____________(把自行车放在哪)?5.His wish is ______________(当个警察 什么是短暂性动词,请举例说明所有的短暂性动词? “在”可以做动词么,请举例 We were _when he called for me this morning.选填A.at the brakfast B.having a breakfast C.at breakfast D.having the breakfast were weren't was called的一般现在时形式 Little Mermaid was lifted from the harbor,boxed,and shipped to shanghai where she is the star guest in the star guest in the Danish Pavilion at EXPO 2010 which runs until October 31 动词怎样变三单 动词如何变单三 动词变单三is-（ ） am-( ) meet-( ) look-( ) excuse-( )thank-( ) do-( ) spell-( ) call-（ ） lost-( ）found-( ) are-( ) konw-( ) take-( ) bring-( )need-( ) have-( ) let-( ) play-( ) sound-( )watch-( ) 动词变三单现是什么最好现在 动词变单三怎样变 英语翻译大概意思是 在工作的有大量的表格要填,在填写过程中一点错误就可以造成很严重的错误（貌似汉语都不打通顺）, 英语口语一点翻译一句话,“休息的还好吗?”帮忙翻译下. 当without 后有动词时 动词用什么形式 请举例说明 The 42 passengers the train could carry were waited on by a large staff.这句意思 Some passengers were walking through one of the big ha.Some passengers were walking through one of the big halls at Pairs'Charles De Gaulle Airport ____ the whole roof fell down.whilewhen,as soon as after Some passengers were walking through one of the big halls at Paris'Charles De Gaulle Airport后接when the whole roof fell down...请问这整句如何翻译?不要翻译器.