【正文】 ive me a hand? I can’t put up the poster by myself.—No problem.A．Could B．Should C．Need D．Must7．— Is Lang Lang going to perform at Art Center this Friday?— Yes. It ________ be him. He has been here for three days.A．might B．must C．mustn’t D．may8．Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A．must B．may C．can D．need9．— Why didn’t you tell it to me earlier?— Why ________ I? I want to have my own secret.A．can B．may C．should D．shall10．You39。 and B．working。 and D．work。t make so much noise. I ________ hear the speaker very well.A．needn39。t C．shouldn39。t16．We’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．may17．—Amy, I hear you39。ll fetch them for you．A．May B．MustC．Should D．Need18．You ______ pay too much attention to your pronunciation, as it is so important in the oral（口頭的） test.A．shouldn’t B．mustn’t C．can’t D．needn’t19．—Shall we go camping this summer holiday?—Nothing________be better.A．should B．could C．must D．may20．You ________ write the report again because spelling mistakes are not allowed at all.A．must B．can C．may D．could21．—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。 of C．Yes, we must。 for22．— Listen! Tom ________ be listening to the music while doing his homework.— Let’s go upstairs to remind him to turn it off.A．should B．could C．would D．must23．—Must I finish all my homework today, Mum?—No, you ________, my dear. You can finish some tomorrow if you like.A．needn’t B．shouldn’t C．can’t D．mustn’t24．—Is that Mr Zhou?—It ________ be him. He has gone to Beijing.A．can B．may C．can’t D．shouldn’t25．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．need26．—In China, many parents plain that their children have to stay up late to do the homework. —Don’t worry. The government has realized the problem. I’m sure there ________ be good news soon.A．can B．should C．need D．must27．I think all the students love the weekends because, to them, they ________ get up early on Saturdays or Sundays.A．mustn’t B．don’t need C．needn’t D．can’t28．— Is the boy over there Tom? He often wears a jacket like that.— It _______ be him. He is absent from school today.A．needn’t B．shouldn’t C．mustn’t D．can’t29．—Hurry up, Jack! Let’s cross the road as fast as possible.—No, you ________. Don’t you see the light is