奥瑞教育英语专项练习-情态动词小试牛刀(一)1I am afraid that we _give you an answer today. (can, cant, mustnt)2You_be careful with fire when you have a picnic in the forest. Its too dangerous. (can, need, must)3You_come here so early tomorrow. (darent, shouldnt, neednt)4- May I stand here? - No, you_. (may not, cant,neednt)5- Must I clean the room today? - No, you_. (cant,m