题目内容
— You speak French so well. How long have you learned it?
— ________ I was fifteen.
A.Until |
B.Since |
C.When |
D.Before |
【答案】
B
【解析】since +一般过去时,相当于用延续性动词,how long应该与延续性动词连用,故选答案为B
练习册系列答案
相关题目