---Do you know if he _____to play with us?

---I think he will come if he ______free tomorrow.

A．come , is          B．comes, will be        C．will come, is       D．will come, will be

--Do you know if he ________ to play basketball with us?

--I think he will come if he ________ free tomorrow.

1. A.
   come; is
2. B.
   comes; will be
3. C.
   will come; is
4. D.
   will come; will be