老师们,您们好,我最近在阅读时,遇到了一些关于定语从句,关系代词指代问题的疑问,如,She did not discover the coincidence of the market with the fair till she
had reached the place, by which time it was close upon dusk. 我搞不明白后面这个非限定从...
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...
原文网址:《情态动词和不定式完成体的用法》原文:我造一个句子;If Tom hadn't missed the train this morning, he could have come by noon
tomorrow.事实:汤姆错过了今早的火车,所以明天下午才能到达。与事实相反的假设:要是汤姆没有错过...
...题:【问】Thomas
was a real friend, for he advised me as well as helping me with my Arabic.
(TOEFL, 73.10) 请分析句中的错误。《英语常见问题解答大辞典》回答说:as well as,如同and,or一样,起并列连词的作用。它所连接的成分要互相对等,即名...