The students are going to take a tour of Korea______________.A.after a few daysB.a few days time laterC.a few days laterD.in a few days' time答案给的是D,请问AC怎么不对?还是语法讲得过去但没D好?

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The students are going to take a tour of Korea______________.A.after a few daysB.a few days time laterC.a few days laterD.in a few days' time答案给的是D,请问AC怎么不对?还是语法讲得过去但没D好?
The students are going to take a tour of Korea______________.
A.after a few days
B.a few days time later
C.a few days later
D.in a few days' time
答案给的是D,请问AC怎么不对?还是语法讲得过去但没D好?

The students are going to take a tour of Korea______________.A.after a few daysB.a few days time laterC.a few days laterD.in a few days' time答案给的是D,请问AC怎么不对?还是语法讲得过去但没D好?
此句为一般将来时态,in介词短语可引导该种内型的句子,其余选项均无此种功能.

由整个句子看( are going to ),该句应该要用一般将来时.
介词in + 时间 表示一般将来时的时间。
AC没D好 是它们表示过去将来吧...

A一般表示将来要发生的动作,C表示过去已发生的动作。

are going 是短暂动词的进行时表将来
因此应加一个将来时间
d ,in家一段时间表将来

A 这里AFTER作介词 表示在某一个时间点后,所以不与表示时间段的名词连用,可以说 after ten o'clock, 但是不能说 after ten hours,后者必须用 in ten hours 或 ten hours after (见后面 2 的例句)替代,如:
He will wait for them after ten o'clock. 他将在10点以后等候...

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A 这里AFTER作介词 表示在某一个时间点后,所以不与表示时间段的名词连用,可以说 after ten o'clock, 但是不能说 after ten hours,后者必须用 in ten hours 或 ten hours after (见后面 2 的例句)替代,如:
He will wait for them after ten o'clock. 他将在10点以后等候他们。
I will be back in ten hours. 我将在十个小时后回来。
【补充; 副词:表示一段时间以后,如:
I saw him again two hours after. 两个小时后我又见到他。
We departed some years after. 我们几年后就离开了 】
C later,副词,不能接时间构成时间状语
five days later 五天以后
Talk to me five days later. 五天以后来找我谈。
in five days最迟不会超过第五天
Talk to me in five days.五天以内来找我谈。
after 5 days 过了五天
You won't see me after five days.过了五天以后,你
就找不到我了。

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