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
B
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
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