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A．0.30s
B．0.40s
C．0.45s
D．0.55s
参考答案：D
— Have you seen the CCTV news on TV?
— Yes, children had a good festival on the Children's Day. [ ]
A. millions of; sixty
B. ten million; sixty
C. millions of; sixtieth
D. ten millions; sixtieth
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