英语 英语 (5 17:36:42)----she couldn’t  understand was-----few and few students showinterest in her class.第二个空是填why还是that?区别pay back和pay off

英语 英语 (5 17:36:42)----she couldn’t  understand was-----few and few students showinterest in her class.第二个空是填why还是that?区别pay back和pay off
英语 英语 (5 17:36:42)
----she couldn’t  understand was-----few and few students show
interest in her class.第二个空是填why还是that?
区别pay back和pay off

英语 英语 (5 17:36:42)----she couldn’t  understand was-----few and few students showinterest in her class.第二个空是填why还是that?区别pay back和pay off
----she couldn’t understand was-----few and few students show
interest in her class.第二个空是填that.
你想想she couldn’t understand why few and few students show
interest in her class.是不是更通顺一些?其实few and few students show
interest in her class.作表语
pay back：偿还
pay off ：还清,强调一次性还清

why
pay back:回报；报复
pay off：得到回报
如：His efforts finally paid off.
他的努力最终得到了回报

why``代原因``

我认为填that。表语从句。

1.(What)she couldn’t understand was (why) few and few students show
interest in her class.为正确表达。其中(What) she couldn’t understand 为主语从句，(why) few and few students show
interest in her class是表...

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1.(What)she couldn’t understand was (why) few and few students show
interest in her class.为正确表达。其中(What) she couldn’t understand 为主语从句，(why) few and few students show
interest in her class是表语从句。
另外，省去前面的疑问代词what，变为“She couldn't understand why few and few students show interest in her class。”也是对的。此时，“why few and few students show interest in her class。”则成了宾语从句。
pay back和pay off是两个不同的词组。
pay back“偿还”，借了别人的钱，还给人家叫pay back。
pay off“还请债务”

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这题怎么看着有问题啊？是不是不完整啊？怎么可能在一个句子里出现两个动词呢？She的前面是不是还有个词啊？
把she couldn't understand 这个句子当成主语的话 填 that，引导一个表语从句。让她不能理解的是学生们对她课的兴趣越来越少了。
pay back 偿还
pay off 还清...

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这题怎么看着有问题啊？是不是不完整啊？怎么可能在一个句子里出现两个动词呢？She的前面是不是还有个词啊？
把she couldn't understand 这个句子当成主语的话 填 that，引导一个表语从句。让她不能理解的是学生们对她课的兴趣越来越少了。
pay back 偿还
pay off 还清

收起

What...why...
Pay back: 偿还。多为先欠（钱，物，情）后还时用。
Pay off: 多为付出（努力，心血等）之后，表应得的回报，如Your efforts will get pay off. 不一定有欠...在先。

我觉得句子有问题，怎么会有2个动词？
我想（What ）she couldn't understand was （that ）few and few students show interest in her class。是完整的句子吧
前面是一个表示疑问的陈述，那个that后面就是为了解释那个What
pay back 偿还
pay off 还清

why
1 回报 2偿清

应该用that,why不能用作...
pay back
偿还，还钱给(某人)；回报，向…报复
vt. 偿付(还击)
pay off
还清；付清；行贿；取得成功
偿清(欠款等),贿赂

应选why，翻译过来应是她搞不清楚为什么越来越多的学生对她的课不感兴趣楼主的题少打了几个词吧？这题应该挺经典的。
payback 还了但不一定全还清了，而pay off是不仅还了还全还清了