【急】英语语法题!When eleven o' clock came and he still hadn't arrived,I began to wonder if he had had an accident.这句话为什么是对的?I really miss the time___we spent together in middle school.这句话中的空格为什么

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【急】英语语法题!Wheneleveno'clockcameandhestillhadn'tarrived,Ibegantowonderifhehadhadanaccident.这句话

【急】英语语法题!When eleven o' clock came and he still hadn't arrived,I began to wonder if he had had an accident.这句话为什么是对的?I really miss the time___we spent together in middle school.这句话中的空格为什么
【急】英语语法题!
When eleven o' clock came and he still hadn't arrived,I began to wonder if he had had an accident.这句话为什么是对的?
I really miss the time___we spent together in middle school.这句话中的空格为什么不能填“when”?
The accident was happened when I was trying to find a place to park.这句话错在哪里?
My brother has joined the Youth League for years.这句话哪里错了?

【急】英语语法题!When eleven o' clock came and he still hadn't arrived,I began to wonder if he had had an accident.这句话为什么是对的?I really miss the time___we spent together in middle school.这句话中的空格为什么
第一句,你是想问,if he had had an accident为什么是对的吗?第一个had,是过去完成时的助动词,第二个had是动词,表示的意思“有”.过去完成式一般形式中had done中的done 在这个句子中是第二个had.
第二个句子,答案为 that ,which或不填.we spent together in middle school中,spent 缺少宾语,句子不完整.所以必须用关系代词that 或which.如果要用关系副词when 的话.后面的句子一定要完整,就是不缺主语,宾语,等.
第三句,应该是The accident happened.happen 不能用被动.
第四句.由于后面有一段时间for years ,join不是延续动词.所以不对.
If you have any questions ,you can ask me .I will answer your questions as soon as possible.I can definitely help you with your English.

1、动作发生的时间都是在过去
2、知识点是定语从句，the time在从句中充当宾语成分，所以不能用when，可以填that/which/不填
3、accident 是不及物动词，没有被动语态

【急】英语语法题!When eleven o' clock came and he still hadn't arrived,I began to wonder if he had had an accident.这句话为什么是对的?I really miss the time___we spent together in middle school.这句话中的空格为什么英语语法题,急 when does eleven plus tow equal one when does eleven plus two equal one 帮我做一道英语语法题,急一道高三英语语法题.急>. 【急】高一英语语法填空题, I often_____(walk) to school when I was eleven years old用所给的词的适当形式填空急 seven-eleven是什么意思?如题下册英语语法!急急求英语语法大全初一英语语法大全急++++++++++++++++ 英语语法急求 when you add two to eleven, you can get one? 英语语法题英语语法题. 英语语法题, It was eleven oclock when she finished her homework.原意She____finish her homework____it was eleven oclock last night.