5 get doing 开始做某事 I should get going. 我应该开始动手了。 6 get up 起床 My grandpa used to tell me about how he had to get up at the crack of dawn every day to start wo...
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...
更多内容请点击：千变万化的“get”,它的各种用法你get到没?