How long do you suppose it is ______ he srrived there?

求详解.1.How long do you suppose it is(D)he arrived there?A.whe -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 left for Europe?— No How long do you suppose it is _since_ he arrived here? "How long do you suppose it is _____ he arrived here?" 状语从句疑问!几个小题 求讲解“How long do you suppose it is (D) he left fo 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 求解答——How long do you suppose it is___ he arrived here?——No m how long do you suppose it lasted?为什么用lasted而不用last -How long do you think it is _____ he arrived here?.