Do you know where from?A. he comeB. he comesC. did he comeD. does he came

问题补充：

Do you know where from?

A. he come

B. he comes

C. did he come

D. does he came

答案：

A. he come

(答案→)B. he comes

C. did he come

D. does he came

解析：本题know后跟的是一个宾语从句，用正常的顺序，故不选CD，从句主语是he，故用comes，故本题选B。