请教这题选哪个?麻烦解释原因?tom did it__ ,if not better than john.A:as well as ;B:so well as

请教这题选哪个?麻烦解释原因?tom did it__ ,if not better than john.A:as well as ;B:so well as Tom is the first person____ arrived at school today. A. who B. whom C. that D. which解释下原因 到底是哪个啊 anyone in ____can i lock the door?选哪个,麻烦解释原因is anyone in _____ can i lock the doorA.or B.if C.so D.and what do you think ---------?A;Tom like best B:does Tom like best C:Tom does like best D:Tom like选哪个?麻烦具体讲解一下D 选项的答案是：Tom likes best 第二题的原因,麻烦解释原因. 4.We have sold most of the goods, a small portion for old customers.A. to retain B. retainC. retaining D. retains请教是使用哪个?请帮忙解释原因! 麻烦解释下原因：_____ you are young,you must work hard.A.While B.If C.Because D.Since,选哪个,想问下为什么B不对给出的答案是D, tom came back home yesterday.—Tom came back home yesterday.—Really?Where ________ at all?A.had he been B.has he been C.had he gone D.has he gone麻烦解释下,had、has时态是哪个?还有has been 与has gone的的意思及其区别 选哪个并解释原因He hasn't come to class yet.What do you think______?选哪个?麻烦解释原因（最好是ABCD四选项具体分析）He hasn't come to class yet.What do you think______?A.was hanppened to him B.has happened to him C.d 今晚有效Tom sat under a tree,and seeing his friend,____ up in no time.A.to stand B.standing C.stood D.would stand这题选哪个?并说明原因,关键是原因。 14题,麻烦解释下原因 麻烦解释下D选项, 线性代数：请教c/d哪个对,为什么 tom taught ( ) how to make a home page last term.a,himself b,herself c,themself d,him C 应该是C 毕竟意思解释出来汤姆教导他们如何制作主页上的赛季,你们觉得?如果错了,麻烦原因…… Tom knows the answerto this question.Tom knows the answerto this question.A.So Tina does.B.So does Tina.C.Tina does so.D.Does Tina so.麻烦写下原因. there tom found a map on the wall,_________?there tom found a map on the wall,_______?a.wasn't there b.didn't there c.didn't he d.wasn't he这题选什么,麻烦解释清楚点,谢谢! the american president is on his ____visit to China now.选哪个为什么?the american president is on his ____visit to China now.A five days B five day C five-day D.five-days选哪个为什么?麻烦解释下原因,和翻译下 IS THIS () A COMPUTER ENGINEER YES YOU CAN ASK HIM FOR ()A OLD FRIEND OF TOM'S ;ADVICE B OLD FRIEND OF TOM'S ;ADVICESC OLD FRIEND TOM; ADVICE D OLD FRIEND OF TOM;ADVICES 选哪个啊请说明原因那个C选项是old friend of Tom