because she will_be_teaching (teach) a class at that time.

　　②(辽宁高考改编)I feel so excited! At this time tomorrow morning, I will_be_flying (fly) to Shanghai.

　　③Don't phone me between 8：00 and 10：00. We will_be_having (have) classes then.

　　④-Please ring me up at six tomorrow morning, will you?

　　-Why that early? I will_be_sleeping (sleep)．

　　⑤The president will_be_meeting (meet) the foreign delegation at the airport then tomorrow.

　　(2)单句改错

　　①They have planted all the trees by five this afternoon.

　　have前加will

　　②Daniel's family will enjoying their holiday in New York this time next week.will后加be

　　Ⅰ.用所给词的适当形式填空

　　1．With the country's population reaching 1.6 billion in the middle of this century, most of China's rivers, including the Yellow River, will_be_drying (dry) up.

　　2．By the time he gets to school, the lecture will_have_been (be) on for 30 minutes.

　　3．-May I speak to your manager Tom at 3 o'clock this afternoon?

　　-I'm sorry. Tom will_have_gone (go) to a conference long before then.

　　4．By the end of this year, I will_have_saved (save) enough money for a holiday.

　　5．I will/shall_be_doing (do) my homework this time tomorrow.

　　6．I will_have_finished (finish) all the work by the time you are back this evening.

　　7．I am sure he will_have_updated (update) his computer software system by this time tomorrow.

　　8．At 7：00 this evening I will_be_downloading (download) some important information for my essay.

9．I'm afraid I won't be available. I will_be_seeing (see) a friend off at three