情态动词用法详解一、选择题1．A lot of online resources ________ be used either by teachers at school or parents at home.A．canB．shouldC．needD．must2．—Will your mother be at home this Saturday?—Hard to say. She _______go to the countryside to see my grandparents.A．mustB．mayC．canD．would3．—Hurry up, Jack! Let’s cross the road as fast as possible.—No, you ________. Don’t you see the light is still red?A．couldn’tB．wouldn’tC．mustn’tD．needn’t4．—There is a knock at the door.—It ________ be my mom. She always comes back home at this time.A．mayB．may notC．mustD．can’t5．—Be careful! Fire ________ be dangerous sometimes. —OK. I will put it out right away.A．mustn’tB．shouldC．canD．needn’t6．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．mustB．shouldC．mayD．need7．—Dad, must we wait until the light becomes green? —Yes, I am afraid we ________. That’s the traffic rule.A．mayB．canC．have toD．need8．— Is Lang Lang going to perform at Art Center this Friday?— Yes. It ________ be him. He has been here for three days.A．mightB．mustC．mustn’tD．may9．—Who is singing next door? It sounds like a young girl’s voice.—It _________ be Jane. But she seldom sings English songs.A．needB．mustC．mayD．can10．— Mom, must I clean my room now?— No, you ________. You can do it after dinner.A．needn’tB．mustn’tC．shouldn’tD．can’t11．—Could I join you in the programme?—Sorry, you ________. You are too young.A．shouldn’tB．mustn’tC．can’tD．needn’t12．It’s amazing that the pen ________turn voice into text with few mistakes.A．canB．mustC．mayD．need13．— Zoe, what do you think is the greatest advantage of shopping onli...
