Question

【题目】He was so tired that he fell ________ (sleep) in class yesterday.

Answer 1

【答案】asleep

【解析】

句意：他太累了，昨天上课时睡着了。

短语fall asleep：睡着了，入睡；这里fall 是系动词，后面接形容词asleep 作表语，sleep是动词。故填asleep。