(A)I_____you_______left for shanghai.

His father left Shanghai a week ago.(for a week) How long have you been to ShangHai?For a year. he is leaving for shanghai _____time to have a meeting. The Greens___(go) to Shanghai for a vacation this summer. During the holidays__people go to Shanghai for sightseeing.A 改错i went on a visit for Shanghai last week my cousin will come to shanghai for a holiday th I with ________parents am going to Shanghai for a holiday? Shanghai is a beautiful city except for its heavy taffic we are going to stay in shanghai for a week?对for a week题问 My friend will be back from Shanghai ______ a week.A.for B.a We are going to Shanghai for ____.A a or two years B a year