问题
选择题
--- How was Jack last night?
--- He was so ___________ that he fell ____________ quickly.
A．sleepy; sleep
B．sleep; asleep
C．sleepy; asleep
D．asleep; sleep
答案
答案：C
sleepy表示困倦的意思，而fall asleep，表示入睡的意思，故选答案为C