◎ 题干
The astronaut is so tired that he  ____ for eleven hours.
A.has been asleepB.has fallen asleep
C.has gone to bedD.has gone to sleep
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The astronaut is so tired that he ____ for eleven hours.A.has been asleepB.has fallen asleep C.has gone to bedD.has gone to sleep…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。