Advanced as technology has become now， we still have no 　　　　 for the common cold

题干

Advanced as technology has become now， we still have no 　　　　 for the common cold.

A．substitute	B．cure
C．solution	D．alternative

上一题下一题 0.65难度单项选择更新时间:2018-12-10 05:46:38

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