16.Young people should go and work wherever___.A.needs B,need C,needing D,needed这个题选什么.为什么17、The leaders__us in our discussion,but owing to more important business they couldn't come.A.were to join B,were to have joined C.had been

16.Young people should go and work wherever___.A.needs B,need C,needing D,needed这个题选什么.为什么17、The leaders__us in our discussion,but owing to more important business they couldn't come.A.were to join B,were to have joined C.had been
16.Young people should go and work wherever___.
A.needs B,need C,needing D,needed
这个题选什么.为什么
17、The leaders__us in our discussion,but owing to more important business they couldn't come.
A.were to join B,were to have joined C.had been to have joined D.was to join
这个题选什么?有B这样的搭配?我总觉得B搭配是错误的……我觉得A就可以表达这个意思了

16.Young people should go and work wherever___.A.needs B,need C,needing D,needed这个题选什么.为什么17、The leaders__us in our discussion,but owing to more important business they couldn't come.A.were to join B,were to have joined C.had been
16.Young people should go and work wherever___.
A.needs B,need C,needing D,needed
这个题选什么.为什么
选D.wherever 引导状语从句,省略了they are.
状语从句中的省略要具备两个条件：一是主句的主语和从句的主语一致而是从句中要有系动词be,就可以省略主语和系动词be.
While(you are )crossing the road,you should be careful.
状语从句的主语是it is/was也可以一起省略.
如比较熟悉的if necessary/possible
17、The leaders__us in our discussion,but owing to more important business they couldn't come.
A.were to join B,were to have joined C.had been to have joined D.was to join
这个题选什么?有B这样的搭配?我总觉得B搭配是错误的……我觉得A就可以表达这个意思了
根据后面的信息they couldn't come来判断他们过去本打算参加而未能参加,要用were to have done来表示.
was／were to+不定式完成式,表示未完成的打算、计划或安排,含有“本来打算……”之意.如：
1．He was to have bought a colour TV set,but he had no enough money．他本来打算买一台彩色电视机的,但钱不够.
2．They were to have been married last month but had to postponethe wedding until next month,他们本来打算在上个月结婚的,但后来不得不推迟到下个月.
3．He was to have come here yesterday,but he had an importantmeeting to attend．他本来打算昨天来这里的,但有一个重要的会议要参加.
4．The plane was to have taken off at six,but something went wrong．飞机本来打算在六点钟起飞,但结果出了故障.
5．We were to have held the sports meeting last week,but it rained．我们本来打算上周举行运动会的,但天下雨了.
6．I was to have started work last week,but I caught a bad cold．我本来打算上星期开始工作的,可我患了感冒.
7．A new hospital was to have been built in this district,but the money wasn’t collected yet．一座新医院本来打算在这个区建成的,可款还没有筹齐.

第一个选 D
因为此句意思是，年轻人应该去被需要的地方工作，所以用被动，而且wherever needed是wherever they are needed的省略
第二选B 意为 本打算加入 ，是虚拟语气它与would have joined 相等（在这道题中）

16:D wherever_是做地点状语，而这个意思是说，年轻人应该到任何需要他们的地方工作。这里这个状语里的主语是yongpeople 和need是被动关系，人被需要，所以是needed
17:B 这个句子前半句是对过去事情的一种虚拟语气，是说本来可以参加我们的会议，但是由于一些更重要的事情所以不能来了。因为leaders后跟复数，而是应该要来参加但实际没来，所以dc排除，要表达这种虚拟...

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16:D wherever_是做地点状语，而这个意思是说，年轻人应该到任何需要他们的地方工作。这里这个状语里的主语是yongpeople 和need是被动关系，人被需要，所以是needed
17:B 这个句子前半句是对过去事情的一种虚拟语气，是说本来可以参加我们的会议，但是由于一些更重要的事情所以不能来了。因为leaders后跟复数，而是应该要来参加但实际没来，所以dc排除，要表达这种虚拟语气只能选b.a选项是be+to+v的结构表示将要去做某事，

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