问题
选择题
Some researchers point out that________daydreaming is________means of relaxation.[ ]
A．the；a
B．/；the
C．a；the
D．/；a
答案
答案：D
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Some researchers point out that________daydreaming is________means of relaxation.[ ]
A．the；a
B．/；the
C．a；the
D．/；a
答案：D