【问】 go to sleep和fall asleep都作“入睡”、“睡着”解，不知它们之间有无区别?

【答】 fall asleep常常强调本不想睡却睡着了，相当于drop asleep。例如：

1. He fell asleep during the sermon. (ALD)

他在布道时睡着了。

2. She was falling asleep when he came in.

他进来时她正要入睡。

be asleep与fall asleep的区别：前者表示状态，后者表示动作。

He seems to be fast asleep. (Bennet)

他似乎在熟睡。

请做下面的英语试题：

“What a boring speaker!”

“Yes，by the time he is finished，everyone____.”

A. will sleep B. be asleep

C. will be asleep D. will fall to sleep(TOEFL，75.11)