I wonder when they ________ for Beijing. I will go to the train station to see them off when they _______.

A. will leave; leave     B. leave; will leave   C. will go; leave      D. go; leave

 ---Hi, Jane, tell you a piece of good news. I _____ America tomorrow.

               ---Wow, have a good trip!

A. will leave to         B. leaves for        C. am leaving for

--I _______for America on business next week.

A.will leave????????? B.am leaving????????? C.leave

—Hi, Jane, tell you a piece of good news. I _____ America tomorrow.

                        —Wow, have a good trip!

                        A. will leave to B. am leaving for C. going leaving for

---Hi, Jane, tell you a piece of good news. I _____ America tomorrow.
---Wow, have a good trip!
A. will leave to          B. leaves for          C. am leaving for