英语问题,求解释present perfect 和 present perfect continuous.例； he has been crying in the bathroom. he has been cry because he looks unhappy.这里例子对吗,求解释为什么一个用crying 一个用 cry.像这题she has been (stand)

英语问题B求解释 英语问题,求解释present perfect 和 present perfect continuous.例； he has been crying in the bathroom. he has been cry because he looks unhappy.这里例子对吗,求解释为什么一个用crying 一个用 cry.像这题she has been (stand) 请问present/past perfect tense 跟present/past perf请问present/past perfect tense 跟present/past perfect continuous tense 有何分别?当做时态练习时,如何清楚介定它们.（它们有哪些标示语） 英语问题关于present究竟是buy sb sth for a present还是buy sb sth as a present 英语问题,详细解释 英语问题,详细解释 高中历史问题求解释 求解释最后一句的含义.Towards the end of Overdressed,Cline introduced her ideal,a Brooklyn woman named SKB,who,since 2008 has make all of her own clothes——and beautifully.But as Cline is the first to note,it took Beaumont decades to perf My present 英语作文 present英语怎么读 高数偏导问题,求具体解释 不定积分问题 求解释 谢谢 高中数学问题,看不懂,求解释 英语题求解释 英语文盲,求解释. 英语,求解释! 英语错误求解释 求解释这些英语