Question

—I’ll call you at 9 tomorrow morning, OK?
—You’d better not, I ______ the piano then.
A. will be practicing                                        B. am about to practice
  am practicing                                        D. practiced

Answer 1

A

考查时态。根据句意可知是对将来事情的描述，故用将来进行时。句意：——明天早上我9点钟给你打电话，行吗？——你最好不要，那个时候我将正在练习弹钢琴。