Question

这两个英语选择题，选什么

Answer 1

C
A

追问

为什么？

追答

忘记做过某事 forget doing sth

跑得足够快 run fast enough

追问

第二题为什么b不对

追答

enough修饰形容词或副词时，放在后面

Answer 2

主动语态：They say that he knows some very influential people. 对应被动语态：He is said to know very influential people. 主动：They say that he knew some very influential people. 对应被动：He is said to have known some very influential people 所以你这句没有上下文的情况下2个答案都可以。