-John’s English is very good.
-Yes. I want to know ____________.
A.when he started to learn English. |
B.when did he start to learn English |
C.how long did he learn English |
D.how long he learn English |
-John’s English is very good.
-Yes. I want to know ____________.
A.when he started to learn English. |
B.when did he start to learn English |
C.how long did he learn English |
D.how long he learn English |