there are two men at the door 怎么改成一般疑问句?

there-are-two-men-at-the-door.at-the-door中的at是什么意思? there are two men at the door 怎么改成一般疑问句? There are two men called Buckley at the Home Offic ,call 为什么加ed No,there+are+two+men+in+front+of+the+ship. ( )six boys and two men.是there are还是there is还是别的 There are two father and two sons.How many people at least are there? There are always two men ___ in the park after lunch.singingsingsangto sing They are at (?) two hundred people over there here are two mothers and two daughters,how many people at least are there?IQ There are two fathers and two sons in the room,but there are only three men in it,Why?.是个脑筋急转弯, There are ____ old men at the table.A:some B:a C:any D:an there are three mighty men fell in love with her at the same time 对不 two men are walking in the park. 1、David _______ on a new database at the moment.Acurrently workBis currently workingCcurrently working2、A:Are there two men in the room?B:_________.ANo,there are oneBNo,there's only oneCYes,there is one3、My uncle _______in the IT Department.But look!Two men are having a fight ___ eavh other.A.to B.at C.for D.with there are some 还是there are two The two men are()trouble,they are calling()help Two fathers and two sons are in the same photo.How many people are there at least?翻译