The visiting professor asked the students they found most difficuit in learning English.A.whether B.where C.what D.how在they前面有一个空格。我知道选什么但该如何解释，明天轮到我来讲课

visiting the Visiting the Summer The profess _______ the lecture was very humorous and kind.(give) Visiting the Imperial palace什么意思/Visiting the Imperial 首字母填空：profess li is not a ___at the monment.should i ask him to call you back. 英语作文visiting the space Hotel What about visiting the museum?[同义句] are they visiting the great wall now Visiting the Imperial palace什么意思/ Look!The students with their teacher________ the Shanghai PavilionA.are visiting B.is visiting he will be visiting the country ,动词visiting 不可修饰名词the country呀, There must be something visiting the homes in our neighborhood中visiting作什么成分 there must be something visiting the homes in our neighborhood的语法内容 visiting you will be shown around our school,visiting the places of interest 这个visiting怎么解释 From the number of people visiting...为什么用visiting?完成句子 What about visiting the Century Park tomorrow?(保持意思不变) ___ ___we visiting Century Park This is my first ______ the USA.A.visitB.visit toC.visiting D.visiting to Which of the following is the visiting time?