问题
选择题
Only through constant practice can the ability of using a foreign language be _______.
A．earned
B．acquired
C．gained
D．achieved
答案
答案：B
这题考查词义辨析：earned挣得acquired(通过努力)获得， gain获得（强调收获）achieved达到，句意是：只有通过不断实践才能获得使用英语的能力。B符合句意。