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问题 dig与dig out的区别

请问这两个表达如何准确理解：dig a well 挖井dig out a well 挖出一口井“挖井”不正是“挖出一口井”吗？

问题 英语可以说leave sb to do sth吗

如果可以说leave sb to do sth，那它与leave sb doing sth有区别？

问题 have difficulty in doing sth中difficulty可数吗

have difficulty in doing sth 在做某事方面有困难 We have difficulty in studying English. We should face difficulties. 请问：既然 difficulties 是可数名词，为什么 have difficulty in doing sth 中为什么不变成复数呢？ 在 have difficulty in doing sth 中，difficulty 既...

问题 老师，您好！想请教B错在哪呢，如果改成the place in which可以吗

Is this_____we met each other two years ago A. Where B. place in which

问题 完成时用法

请问一下，关于句子Today's meeting was long and tiring可不可以是 It had been a long and tiring day. 后者我认为说是今天，可今天没过去为什么用had而不是has呢。   拜托老师回答，谢谢了。

问题 as + 助动词 + 主语：句型分析

The delicious and vast menu choices contribute to the popelarity of the Indian restaurant, as does the authentic and quaint decor.请请从语法方面分析上句中的as词性，成分，属于什么从句呢？

问题 only的修饰内容

... of an interpretation attached to the percept by learning'. （我的翻译）但是，正如阿纳海姆指出的，“颜色的效果太过于直接和自发，不是一种只靠学习能够得到的隶属于感知的解释的产物。请问老师only是修饰 the product吗，还是后...

问题 第一次看见many前有the（这表示强调吗）

1. Pizza known to Italians and New Yorkers (where pizza was first introduced into the United States by the many Italian Americans living there) is a round, thin-crusted baked dish covered with tomato sauce and cheese.2. Families enjoy the convenience of carrying home a whole meal from the many vendo...

问题 可以说assist sb with doing sth吗

...st sb in doing sth。我想请问一下：可以说assist sb with doing sth吗？比如以下三句： The boss asked me to assist him to carry through his great plan. The boss asked me to assist him in carrying through his great plan. The boss asked me to assist him with carrying through his ...

问题 状语的顺序问题

麻烦请教一下各位亲爱的老师，关于状语顺序的问题。比如：The airframe consisted of carbon-fibre struts held together in at least one place by a chopstick.  这个句子可以把by a chopstick放在in at least one place的前面吗，我觉得换一下更好理解。We drove ...

问题 iphone, ipad 中的字母 i 是什么意思

请问老师，iphone, ipad 中的字母 i 是什么意思？有比较权威的词典解释吗？网络上的解释好像不靠谱。谢谢！

问题 为什么those后直接跟动词surveyed

...么those 后直接跟了surveyed 这个动词？是省略掉了people之类的名词吗？2.88% 直接跟了want 中间省略了一部分名词对吗？是 those surveyed吗？

问题 fall用作连系动词的用法

fall ill, fall asleep 中的 fall 应该是连系动词吧，因为它们后面接的是形容词。能请专家老师谈谈 fall 用作连系动词的用法吗？谢谢！

问题 from后面接了介词短语的疑问

from around the world 这里from接了介词短语，是把around the world作为整体来看充当了from的宾语吗？

问题 while done之间的省略问题

While regarded as an impossibility, many people still want to carry out this plan. 老师好，我们知道while后可以省略“主语+doing”,请问老师，这个句子所包含的while用法正确吗？