问题
选择题
During the entrance (升学) exams, there are______ parents waiting for their children outside their test center.[ ]
A. thousand of
B. thousands of
C. thousand
D. thousands
答案
答案：B
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During the entrance (升学) exams, there are______ parents waiting for their children outside their test center.[ ]
A. thousand of
B. thousands of
C. thousand
D. thousands
答案：B