Question

no sooner had he gone to bed than he fell A.sleepy B slept Casleep D sleeping 详细解析

Answer 1

C
fell 是系动词，后面跟形容词的asleep做表语；fall asleep是固定搭配， sleepy虽是形容词，但不能和fall搭配，slept 和sleeping都是动词形式，无法用作表语。