解析:根据句意,Tim Bemers-Lee创立万维网应该是过去的事情,而且be considered后面应该用动词不定式,所以应该用to have done,答案为A。 原则四、非谓语动词作定语时,表示将来用-to do,表正在进行用-ing,表示已经完成用-ed 例7. The play___ next month aims mainlyto r...
my current visit has been given rather intense attention. Let me first assure you that I have come to this country to seek friendship and cooperation, and not to fight a "trade war".
16. be glad to do sth. 很高兴(乐意)做…… I am very glad to be here. 我很乐意在这里。 Glad to meet you. 很高兴见到你。 17. let sb. do sth. 让某人做某事 Let me see.让我想一想。 Let us help you find him. 让我们帮助你找到他。 18. I am home. 我到家了。...
3)相比to do所表示的永久做某事的状态,我们可以用ing的进行时来请求别人做某件事,委婉地表示这个状态不是永久的,让别人更加愿意接受我们的请求。 例句: We need to be doing this as soon as possible. 我们需要尽快把这个完成 We should be supporting her. 我们应该...
15. be glad/happy/sad to do sth.“很高兴/难过做某事 I am glad to see you. 16. reply to sb./sth.“回复…” Reply in writing to the invitation “以写信形式回复这份邀请函” 【重点语法】 一. 表示邀请的句型 1. Can/Could you…(come to my party)?
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