Do you know why the train_____ _____?请问是填was late 还是 is late?3Q1.Do you know why the train_____ _____?请问是填was late 还是 is late?2.I didn't know______he was waiting for.是填 who that whom 3.He asked_____________________________

Do you know why the train_____ _____?请问是填was late 还是 is late?3Q1.Do you know why the train_____ _____?请问是填was late 还是 is late?2.I didn't know______he was waiting for.是填 who that whom 3.He asked_____________________________
Do you know why the train_____ _____?请问是填was late 还是 is late?3Q
1.Do you know why the train_____ _____?请问是填was late 还是 is late?
2.I didn't know______he was waiting for.是填 who that whom
3.He asked______________________________.
A which picture John's was.B which picutre was Joan's

Do you know why the train_____ _____?请问是填was late 还是 is late?3Q1.Do you know why the train_____ _____?请问是填was late 还是 is late?2.I didn't know______he was waiting for.是填 who that whom 3.He asked_____________________________
1.was late 是对的.
因为,说这句话时,火车迟到的动作已经过去；
2,who和whom都可以.
这是宾语从句,引导词表示人,且做宾语,故既可以用who（who也可以做宾语）,也可以用whom；但不能用that,因为that在宾语从句里是不充当任何成分的.这与定语从句不同,楼主不要混淆了；
3,B which picutre was Joan's 是对的.
这也是宾语从句,宾语从句要用陈述语序.which picture 是主语,was是谓语,而Joan's 是所有格做表语.不能用 A which picture John's was,因为名词的所有格是不能做主语的,只能做表语；换言之,由于John's不能做主语,那只能让 which picture 来做主语,然后后面跟着was,再到Joan's.

1.was late
2.who/whom
3.B

was late 你知道火车为什么吃到，在说话时，显然火车已经晚点
who/ whom 。who在从句中可以作主语或宾语，whom只能作宾语。
B 宾语从句要用陈述语序：主语+谓语动词+其他再请问 that which who whom在做宾语的成分时，是不是都可以省略？that 引导宾语从句时，不做任何成分， 可以省略 其他三个词都不能省略...

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was late 你知道火车为什么吃到，在说话时，显然火车已经晚点
who/ whom 。who在从句中可以作主语或宾语，whom只能作宾语。
B 宾语从句要用陈述语序：主语+谓语动词+其他

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1题看具体语境， ，如果谈话时火车没到，说明现在处于晚点的状态，用一般现在时表示
Do you know why the train is late?
如果两人在讨论比如昨天火车晚点的事，那就用一般过去时
Do you know why the train was late?
2题选who或者whom 这里是定语从句，关系词作从句宾语，填whom，但常用who代替w...

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1题看具体语境， ，如果谈话时火车没到，说明现在处于晚点的状态，用一般现在时表示
Do you know why the train is late?
如果两人在讨论比如昨天火车晚点的事，那就用一般过去时
Do you know why the train was late?
2题选who或者whom 这里是定语从句，关系词作从句宾语，填whom，但常用who代替whom也可以的。
3题宾语从句，选B

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1.was late 2.都可以，最好用whom，因为作宾语3.B

1、was late
2、whom 做宾语
3、which picture was Joan‘s

填was late
不可以 只能填who
选B

B 其实A也成立

was late