问题
选择题
— _____ has Mr. Smith taught in our school?
— For three years. [ ]
A. How often
B. How long
C. How many times
D. How soon
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— _____ has Mr. Smith taught in our school?
— For three years. [ ]
A. How often
B. How long
C. How many times
D. How soon
答案：B