---____your ever ____to the United States?---Yes,twice.A.Have;been B.Have;gone C.Do;go D.Were;goin
问题描述:
---____your ever ____to the United States?---Yes,twice.A.Have;been B.Have;gone C.Do;go D.Were;goin
答
A
have been to 去过
have gone to 去了为什么?A和B有什么区别?have been to 去过,已经回来了have gone to 去了,还没回来