———do you write to your parents?--once a month A how long B

———do you write to your parents?--once a month A how long B ( ).____ do you write to your pen pal?Once a month.A.How B . do you write to your pen friend?Twice a month A.How often B. __a month does he write to his parents?Once a month A How of how often do you go to _____town?-----once a month. I write to my parents once( )month.A.a B.an C.the D.every A:() do you go to the zoo B:Every month A.How long B.What C. 改错1.How long does he write to his parents?Once a week ——How long will it take you to do the work?——A w____ month —_will you leave Beijing?— Once a week.A.How long B.How soon --- _______ do you visit your grandmother?--- Once a month.A （）do you go back to your hometown?twice a year,A how long B