He said he ____(go) to Beijing three years ago.
问题描述：
He said he ____(go) to Beijing three years ago.
答
had been
整句为：He said he had been to Beijing three years ago.
他说他三年前到过北京.我也是这么想的，但答案给的是 went答案是go原型?是went个人意见：用went也可以 因为后面有比较明确的时间状语three years ago那had been可以吗个人认为也可以。