—Do you know the young woman in a red dress?—Sure. We friends since ten years ago.
—________have you stayed in this city? —For about five years.
—________your sister________Hainan Island? —Yes,she said it is a wonderful place.
—Have you________visited the old house by the river? —No,________.
Nowadays________of business letters are written in English.
—Have you ever been to Shanghai? —Yes.I________there a few months ago. A.have been B.went C.have gone