掌握英语需要孜孜不倦的努力。
A、It spends assiduous efforts to acquire a good command of English.
B、It takes assiduous efforts to control a good command of English.
C、It spends assiduous efforts to control a good command of English.
D、It takes assiduous efforts to acquire a good command of English.
【正确答案】：D
【题目解析】：考点：孜孜不倦的、刻苦的 assiduous；掌握英语acquireagoodcommandofEnglish，不用control句子结构：It take sb some time to do sth 是个固定的句型。即：做某事花费某人一些时间。it是形式主语；其真正主语是动词不定式“to do sth”。
