—How long do you suppose it is _______he arrived here？

— How long do you suppose it is ______ he arrived here? -How long do you suppose it is ______ he arrived here? How long do you suppose it is _since_ he arrived here? "How long do you suppose it is _____ he arrived here?" how long do you think it is _____he arrived here? 求解答——How long do you suppose it is___ he arrived here?——No m 求详解.1.How long do you suppose it is(D)he arrived there?A.whe -How long do you think it is _____ he arrived here?. How long do you suppose it is since he left for Europe?— No How long B do you suppose it lasted C,did you suppose it las How long A,you suppose did it last B,do you suppose it laste 高中英语语法单选题 (1)—how long do you support it__he arrived here.—N