请问must answer the call of nature,是离开一会儿的意思吗?上卫生间是不是可以用?

请问must answer the call of nature,是离开一会儿的意思吗?上卫生间是不是可以用? 将 YOU must answer the questions in English 改为祈使句! 请问answer the door什么意思? 请问the answer to the question和the answer of the question是不是一样的? he must answer the question.变为一般疑问句书上答案是can he answer the question?我不知道为什么.不应用情态动词must开头吗 I must thank him for tell me the answer to the question修改病句 请问,answer the door,或者answer the telephone这个语法成立吗? answer the The answer You_____go and ask Meimei.She_______know the answer.A,must,can B,must,may C,need,can D,can,may they say you must let children learn and find the answer () themselvesto in at for 哪一个 how about _____{ask} our teacher?he must know the answer I don't know the answer, you must ask somebody____(另外的) Ask Li Mei,he ------know the answer .A、may be B、 maybe C、may D.must He( )know the answer,but I am not sure.may be?must? you must answer the questions under at once under应改成什么?为什么?是OVER? How about ______(问)our teacher ,he must know the answer. you__go and ask Adam .He__know the answer.第一个空填must or can