----- will he be back home ,do you know?A How long B How oft

----- will he be back home ,do you know?A How long B How oft _( )will he be back? _In two days A How soon B How long C Ho ( )will he be back?In three weeks A.How often B.How long C.H 62.How long do you think he will（ ） (A) begin (B)away (C) be ( )will your father be back?A.How long B.How often C.How soo 选择填空（）do you sleep every day—Ten to ten．A How long B How oft _____do you have a meeting?Once a week .A How long B How oft I want to know how long _______? A. has he been back B he ha I want to know how long () A.has he been back B.has he been 三,1.I do not know ( )he will be back home.A,who B what C whe -( )will he be bick?-In a week.A.How long B.How soon Kate,do you know ____it's from here to gym A.how long B.how