Choose the best option: She ___ be at home now; the lights are on., can't, shouldn't, mightn't, must, Choose the best option: They ___ have missed the bus, because they are very late., need, must, should, can, Choose the best option: He ___ be serious; I think he is joking., can't, must, should, may, Choose the best option: It ___ rain later, so take an umbrella., mustn't, can't, might, needn't, Choose the best option: She ___ know the answer; she studied all night., needn't, must, can't, mightn't, Choose the best option: Tom ___ be in his office; his car isn't outside., can't, may, must, should, Choose the best option: They ___ arrive early if the train is on time., mustn't, can't, might, needn't, Choose the best option: You ___ be tired after such a long journey., may not, needn't, can't, must, Choose the best option: He ___ be the new teacher; I've never seen him before., mustn't, can't, might, should, Choose the best option: She ___ be at work today; it's a public holiday., need, can't, may, must, Choose the best option: This ___ be the right key; it doesn't fit the lock., might, should, must, can't, Choose the best option: He ___ be hungry; he hasn't eaten since morning., must, may not, can't, needn't, Choose the best option: They ___ know about the meeting; nobody told them., can't, should, might, must, Choose the best option: Anna ___ come tonight, but she isn't sure yet., can't, must, needn't, might, Choose the best option: You ___ be right; that explanation makes sense., can't, must, needn't, mustn't, Choose the best option: He ___ be asleep already; it's only 8 p.m., should, must, can't, might, Choose the best option: She ___ have the tickets; she bought them yesterday., needn't, may not, must, can't, Choose the best option: They ___ win the match, but the other team is strong., can't, might, shouldn't, must, Choose the best option: This story ___ be true; it sounds impossible., can't, must, need, may, Choose the best option: He ___ be her brother; they look exactly alike., shouldn't, mightn't, can't, must, Choose the best option: She ___ forget our meeting, but I'll remind her., must, might, needn't, can't, Choose the best option: They ___ be at the cinema; their phones are off., can't, mustn't, might, should, Choose the best option: He ___ be the thief; he was with us all evening., may, need, must, can't, Choose the best option: You ___ be cold in that thin jacket., must, can't, shouldn't, mightn't, Choose the best option: It ___ be easy, but we can try., might not, can't, needn't, must, Choose the best option: She ___ be the manager; everyone is asking her questions., shouldn't, mightn't, can't, must, Choose the best option: They ___ arrive today if their flight is delayed., must, might not, can't, needn't, Choose the best option: He ___ understand the problem; let me explain again., can't, must, might not, should, Choose the best option: That ___ be Julia's bag; hers is black., can't, needn't, must, may, Choose the best option: She ___ be very pleased; she got the job., mightn't, must, shouldn't, can't.

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