What are you doing out of bed ,Tom? You are to be asleep.
A. supposed
B. known
C. thought
D. considered
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(答案→)A. supposed
B. known
C. thought
D. considered
解析：此处supposed猜测； known知道； thought认为； considered考虑。此处be supposed to意为：应该。句意：Tom你起床干什么呢？你应该睡觉呢。