情态动词专项练习(含答案和解析)

情态动词专项练习(含答案和解析) 一、选择题 1．Our Chemistry teacher always tells us we ________ be too hardworking before the exams. A．mustn’t B．shouldn’t C．needn’t D．can’t 2．To my joy, we_________ go to the bank. Mary has lent us some money. A．shouldn’t B．needn’t C．couldn’t D．wouldn’t 3．— Do we have to finish this today? — Yes, you ________ . Today is the last day. A．would B．may C．can D．must 4．Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules. A．can B．will C．may D．must 5．— Is it really necessary for me to go shopping with a mask on? — I’m afraid you ________ in public. It is not only to protect yourself but also to protect others. A．must B．should C．can D．need 6．Hurry up, or we ________ miss the beginning of the film. A．should B．must C．may D．have to 7．— How do you like my new dress? — Well, if I ________ say, it is not suitable for you. A．may B．must C．have to D．should 8．— Must the children leave at six tomorrow morning? — No, they _______. They can have more time to get ready for the trip. A．can’t B．needn’t C．mustn’t D．may not 9．You ________ be careful with the camera. It costs! A．can B．will C．should D．may 10．We shouldn’t throw any objects from the building. Even a small object ________ cause serious injuries or death, when dropped from a great height. A．must B．should C．may D．need 11．You ________ drive after drinking alcohol(酒). It’s against the law. A．mustn’t B．needn’t C．couldn’t D．wouldn’t 12．— Dad, must we wait until the light becomes green? — Yes, I am afraid we ________. That’s the traffic rule. A．may B．can C．have to D．need 13．Exercise is helpful but it ___...