问题详情:
I want to know how long
A.has he been back B.has he come back C.he has been back D.he has come back
【回答】
C
知识点:状语从句
题型:选择题
问题详情:
I want to know how long
A.has he been back B.has he come back C.he has been back D.he has come back
【回答】
C
知识点:状语从句
题型:选择题