31. If you want to do international trade successfully, ______ of English is _______.A. good command; a must B. a good command; a need C. a good command; a must D. good command; must 答案是什么must 不是形容词么 怎么要用 a must

if you want to if you want to If I want to many you.You? If you had any reason you’d know I never want to see you again. ( )if you want to watch tv tonight,you'd better______your homework first. If you want to learn English well ,you must study ___?c.hard D. hardly You'd better give up smoking if you want to keep nealthy这段话翻译成中文怎么说? If you want to sell your product well ,you,d better ___(做广告)it If you want to learn a c______,you'd better learn its culture You'd better shape up if you want to stay on.什么意思 if you want to catch the train you'd better go (立即) if you don't want to be late ,you'd better ()a ()打的 If you don't want to be late,you'd better______a_______(打的） If you want to be in time ,you'd better get going对吗 If you want to get good grades,you'd better write the article _____(不同） if you want it to be good If possible .i want to hug you , Leave If You Want To Leave 歌词