--______ have you been at this school? --For about three years. A. How often B. How many C. How much D. How long
A.A
B.B
C.C
D.D
正确答案是D
--______ have you been at this school? --For about three years. A. How often B. How many C. How much D. How long
A.A
B.B
C.C
D.D
正确答案是D