问题补充:
—Larry, I will call you at 6 o’clock tomorrow morning.
—Thanks, Mum. But it’s too early. I then.
A. am sleeping
B. am to sleep
C. will be sleeping
D. has slept
答案:
A. am sleeping
B. am to sleep
(答案→)C. will be sleeping
D. has slept
解析:考查时态:句意:--Larry,我明天早上六点打电话给你。--谢谢,妈妈。但是太早了,那时我正在睡觉呢。时间是then= at 6 o’clock tomorrow morning.属于将来的某个时间点,用将来进行时,选C。