高中英语题15.the guards standing at the entrance will see to it t

高中英语题
15.the guards standing at the entrance will see to it that no one (come) in without identification. 为什么不是 would come
16.Look at the trouble I am in!If only I (had followed )your advice.不应该是现在完成时?
17.someone argued that why isolated village folks (should ) die from the diseae when modern medicine has a cure. 为什么不是may 呢?
18.In the past decades ,geologists hane come closer than ever to (calculating ) the age of the earth.因为是介词所以用VING 吗?
19. china entered the WTO in 2001,thus (realizing) its long—chrished wish to join the golbal trade today .为什么不用过去是
20.the queen ,smiling and (relaxed),soom put the boy at ease . and 前后不应该是统一时态的吗?
21.Advertising is distinguished from other forms of communication (in that ) the advertiser pays for the message to be delivered. 帮忙分析
22. (despite )their equaul degrees of health and wealth and other comforts for life ,one becomes happy while the other miserable.为什么不是though?
23.as for the enterprise ,(as much as ) 5000 dollars have been fined for dumping wastes in the river. 为什么不使so much as?
24. scientists have failed to come up with a good theory (as to why) the traditional medicine seems to work. 帮忙分析
25. the oresident ordered that the secretary (be ) present at the meeting.为什么不使to be
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15.后接一般现在时形式为固定用法
16.If only意思是 “要.就好了” 后接虚拟语气 因为是过去的事情 所以用“过去的过去”的形式 即过去完成时
17.不懂你的疑问 这里的should意思上等同于shall 是必然的会 may是 可能会 明明不合语意 或者你以为should只有应该的意思?如果是的话那么你应该补充一下情态动词了 正式语体中的情态动词相对来说是比较复杂的
18.因为在语意上是接近.而不是来干. 所以是介词 因此用ing
19.如果用过去时后面要有主语it 不然缺主语
20.relax是及物动词 relaxed是过去分词形式的形容词 你只能说Sb is relaxed.换成relaxing就不对了
21.将从句还原为正常语序应该是 delivered in that form 所以填in that或in which
22.用though就没谓语了 though后面是接句子的 despite接短语
23.这里应该并没有“这么多”“那么多”的意思啊 用so是有感情色彩的 as就没有
24.关于传统药物为何看起来可以奏效,科学家未能得出一个好的理论（来解释）
as to 后面接短的句子或短语时一般是放前面,这里因为比较长所以后置
25.order做“命令"时 若接＋that的从句 sth be done是固定用法