请问曹老师,when和while这里引导的分别是什么从句,while doing是什么用法?Its Intelligent Transport System tells drivers when roads are crowded, while changing traffic lights and
planning alternative routes that drivers can follow.
Appended was a link to a page on his Blogspot website (news worth knowing cn) listing details of those cases. 为什么这里appended作主语?还有就是listing是动名词复合结构还是现在分词作后置定语谢谢老师!
Americans will generally do business with the company they think gives them the highest value for the lowest price, not based on personal relationships.此句应该是两个句子,在they前面是不是应该用逗号隔开呢?
America also forged an international consensus on the openness of space, ensuring all countries with the means to do so can utilize orbital space for scientific, commercial and military purposes.请老师帮忙分析一下,谢谢!
When we arrived there, the security guard wouldn’t _______ us in.
A. allow B. permit
书上答案是allow。其解释是:英语习惯上说allow sb in,不能说permit sb in。
我不太明白,这是英语的习惯用法吗?谢谢老师解答!
It's a situation eagerly anticipated by millions of would-be travelers,
desperate to enjoy a slice of European sunshine and culture after weeks or
months being sequestered at home under lockdown.对于该句有两个疑问1. eagerly anticipated…和desperate to…都是做后置定语吗?感觉...