【導(dǎo)讀】MayIGotoBeijing?MayIGotoBeijing?Yes,youmay..MayIopenthedoor?No,youmaynot.Mayweplayping-pong?No,youmaynot.Mayweplayfootball?No,youmaynot.MayIsingasong?No,youmaynot.MayIreadabook?Yes,youmay.MayIhelpyou?Sure!MayIgotoBeijing?MayIgotoBeijing?MayIgotoBeijing?