A: Where is Simon?
B: He ________ the USA.
A: By the way, have you ever ________ abroad before?  B: No, never.
A. is in, been to    B. has been to, gone
C. went to, gone to    D. has gone to, been

科目 英语   题型 单选题   难度 中等

知识点： 时态辨析 语态的辨析