Please put up your hands if you konw the answer改为同义句

Please put up your hands if you konw the answer改为同义句 please put up your hands if you have any question------- Hands up!If you know the answer.改同意句 If ________ the answers,please put up your hands.A someone k If you konw the answer,please r____your hand put(put)your hand please if you know the answer.为什么不用putting put up your ____if you know the answer,please.do you have a If you know the answer,please put up one of your_________(ha Please put up your h_ in class when you know the answer. Please put up your hand/hands? It is good manners to put up your hands before you answer a please put the picture up on the wall(改为同义句)