问题
选择题
What the doctor warned us is that the ________ sleep may cause anger,poor memory and poor
concentration.[ ]
A．want in
B．plenty of
C．lack in
D．lack of
答案
答案：D
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What the doctor warned us is that the ________ sleep may cause anger,poor memory and poor
concentration.[ ]
A．want in
B．plenty of
C．lack in
D．lack of
答案：D