master english还是 master your english?

master english还是 master your english? 圣诞节的缩写是X-mas还是X'mas? english master协会是什么协会? 硕士学位 master degree 还是master's degree he found it important to master English其中it 和to master English做什么成分? To master English in such a short time is too difficult for him中的句子成份问题!To master English in such a short time is too difficult for him中的in such a short time 是状语还是定语?要是状语改成To master English is too difficu master master Master he found it important to master English,中的《it》 和《to master Englishi》 是什么成分? “本科”的英文是master还是bachelor? If I want to master English,what should I do he found it important to master English句子成分 Let's try our best to master English. mas是什么意思 x'mas x'mas mas是什么