【正文】 ed to。 of C．Yes, we must。ve discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very careful.A．must B．should C．would D．may24．Never throw 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．need25．— Mum, why do I have to wash hands so many times a day?—You ________ be too careful, for your health.A．can’t B．mustn’t C．may not D．needn’t26．—Shall I tell him the change of the time right now?—I’m afraid you ________, otherwise he will be late for the meeting.A．can B．may C．must D．need27．—Seventy dollars for such a dress! You ________ be joking!—I’m serious. It’s made of silk from Hangzhou.A．must B．need C．will D．can28．—Must we stop the Japanese government discharging nuclear waste water (排放核污水) into the Pacific Ocean?—________. Because everyone should protect our earth and it is bad ________ us to eat the polluted seafood and drink the waste water.A．Yes, we can。ve got many foreign coins．_______ I have a look?—Of course, I39。t D．can39。t B．shouldn39。t D．mustn39。t B．can39。 be against13．I ________ hear you clearly. Would you please repeat it?A．mustn’t B．can’t C．needn’t D．shouldn’t14．Please don39。 againstC．be paid attention to。t2．—Will your mother be at home this Saturday?—Hard to say. She _______go to the countryside to see my grandparents.A．must B．may C．can D．would3．— Excuse me, could you tell me where the Nanjing Brocade Museum is?— Go along this road for five minutes. You ________ miss it. It’s a huge building.A．mustn’t B．can’t C．needn’t D．shouldn’t4．—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 not5．—There is a knock at the door.—It ________ be my mom. She always es back home at this time.A．may B．may not C．must D．can’t6．—Be careful! Fire ________ be dangerous sometimes. —OK. I will put it out right away.A．mustn’t B．should C．can D．needn’t7．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．need8．— ________ you give me a hand? I can’t put up the poster by myself.—No problem.A．Could B．Should C．Need D．Must9．Sorry, smoking is not allowed here. If you ________ , you will be fined according to the rules.A．can B．will C．may D．must10．You ________ write the report again because spelling mistakes are not allowed at all.A．must B．can C．may D．could11．—Who’s singing next door? Is it Miss Wang?—It ________ be her. She’s h