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
