未知题型
As a public relations officer, he is said ________ some very influential people.
A) to know B) to be knowing C)to have been knowing D)to have known
Aknow这个词一般不用进行时，排除B、C。这题主要就是A和D之间纠结了。to kn......(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)
(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)
未知题型 The Car Club couldn't _________ to meet the?
未知题型 The millions of calculations involved, had they been done by hand,__________ all practical value by the time they were finished.A) had lost B)would have lost C)would lose D)should have lost
未知题型 I don't mind ______ the decision as long ?
