请帮忙从语法的角度详解........谢谢~
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8u5^)Y&V&v1.__________a class meeting this afternoon.
$C/n0|5{5nEnglish learners' ForumA.there is going to have B.there is going to be
+]2b1D)T0L'l$xbbs.englishcn.comC.there will have D.there are going to have
.s(l(q1W(s*|6Z2|0I英语论坛-英语麦当劳2.we________go to visit the factory with them.
7Z$v'E$\*_8j4h$[英语网上资源论坛,中西杂谈,英语问题区,电脑英语论坛,实用英语论坛,翻译论坛-口译笔译,出国考试 ,国内考试,国际交友,同城交流,英语娱乐区,中文休闲屋,论坛精华区,英语学习,英语快餐,English study,English BBS,Forum,英语博客基地A.don’t need B.need not to C.needn’t to D.needn’t bbs.englishcn.com"v1W3i;S,z3_8r"N5|
4.every year some teachers in shanghai are_________to study abroad.
:S%Z5f"E*D&\9x英语论坛-英语麦当劳A.sent B.taken C.brought D.gone
5}(|:O;e!z+O!{English learners' Forum9.our teacher told us that light________faster than sound. 英语论坛-英语麦当劳6d'v0[:R!J
A.traveled B.would travel C.travels D.traveling
-[)j$`)u0I"k3SEnglish learners' Forum10.by the year 1990, jack________in the supermarket for ten years.
&c3v'H&F,c%z%xBBS.EnglishCN.com是英语学习者和爱好者交流与提高的地方A.has worked B.worked C.had worked D.was working 英语网上资源论坛,中西杂谈,英语问题区,电脑英语论坛,实用英语论坛,翻译论坛-口译笔译,出国考试 ,国内考试,国际交友,同城交流,英语娱乐区,中文休闲屋,论坛精华区,英语学习,英语快餐,English study,English BBS,Forum,英语博客基地&h:x)J!C g5E#Y.B
11.there_______-great changes in shanghai since 1978.
(i,}3\7{-z |.H7qA.has been B.have been C.had been D.had had

1.B 存在的有为there be,将来时为there's going to be,或there will be, 一般用there's going to be, 复数为there're going to be. have 是拥有，如：We are going to have a meeting this afternoon.
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2.D need 在此用作情态动词，not直接放在need后面，然后跟谓语动词原形，need 也可作实意动词，后跟不定式to do,则答案为don't need to . English learners' Forum6E7]-I P2f9c+`
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4.A send sb. to do sth.派某人去做某事，这儿用被动语态，be sent to表示被派往国外.
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9.C 光速快于声速，属于客观真理，用一般现在时，且在宾语从句中不受主句时态的影响。
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10.C by+表示过去的时间点，表示从过去的过去到过去为止，用过去完成时。
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11.B since用于现在完成时，这儿是there be 结构，changes 又是复数，所以是there have been