He looks tired,he _______ too little sleep.

He looks tired,he _______ too little sleep.
A must have had
B must have
C must have been
英语人气:233 ℃时间:2019-09-25 08:46:58
优质解答
A must have had
他看起来很累,他一定睡得太少了.A是表示推测的说法.
too little sleep 这种修释,显然可以看出sleep是名词.
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