用过去完成进行时造句
(5)I,write,letters,before they came to see me
I have written letters before they came to see me.
I had been writing the letters before they came to see me.
I had written the letters before they came to see me.
I had written letters before they came to see me.
答:(1)they,save,money,before they got married They had saved enough money before th...详情>>
答: 重视句子有效性和简洁性 在GMAT考试题目中,大家经常会看到对名词的状态性和动名词动作性的深入理解及名词词组核心词的辨认。而对动词时态的考查往往不是动作...详情>>
答:1.约翰•霍普金斯大学(Johns Hopkins University), GRE语文 161 2.范德堡大学(Vanderbilt University...详情>>