—Do you know when he in Fuzhou?—Sorry, I don’t know. But I think he us when he .

—Do you know when he will come back tomorrow?

—Do you know ________ back tomorrow?—Sorry, I don't know. When he ________ back, I'll tell you.

A、when does he come; comes
B、when he comes; will come
C、when will he come; will come
D、when he will come; comes

—Do you know when he will come back tomorrow? —Sorry, I don’t know.

A、

 A. comes 

 B. will come

 C. come 

 D. may come

---Do you know when he ______ back?---Sorry , I don't. When he _______back, I'll tell you.

A、comes; comes
B、comes; will come
C、will come; comes
D、will come; will come