1) You were in an earthquake? That ___________ terrifying! a) must be b) can't be c) must have been d) can't have been 2) I thought I saw Adrian this morning but it ______________ him – he's in Australia this week. a) must be b) can't be c) must have been d) can't have been 3) Come inside and get warm. You ___________freezing out there! a) must be b) can't be c) must have been d) can't have been 4) Who told the newspapers about the prime minister's plans? It ______________ someone close to him. a) must be b) can't be c) must have been d) can't have been 5) It __________ far now. We've been driving for hours. a) must be b) can't be c) must have been d) can't have been 6) He ____________ near here because he always walks to work. a) must live b) can't live c) must have lived d) can't have lived 7) This ___________ her house. I can see her car in the garage. a) must be b) can't be c) must have been d) can't have been 8) A: Why didn't Sarah come to the party last night? B: She ________________ feeling sick, but she looks fine now. a) must be b) can't be c) must have been d) can't have been 9) A: I can't find my wallet. B: You ___________ properly. I put it on the table myself. a) must look b) can't look c) must have looked d) can't have looked 10) That ________ the vegetarian option. It's got chicken in it. a) must be b) can't be c) must have been d) can't have been 11) She ______________ about the complaint. She promoted him to team leader last month. a) must know b) can't know c) must have known d) can't have known 12) He ________ our teacher! He looks about twelve! a) must be b) can't be c) must have been d) can't have been 13) She always got such good grades at school. She _________ very hard. a) must work b) can't work c) must have worked d) can't have worked 14) She ______________ there. Her car keys are still here. a) must drive b) can't drive c) must have driven d) can't have driven 15) The thief ____________ a key. The door was locked and nothing was broken. a) must have b) can't have c) must have had d) can't have had 16) How did he fail that exam? He _____________ very much. a) must study b) can't study c) must have studied d) can't have studied 17) Oh, good! We've got milk. Mo _____________ some yesterday. a) must buy b) can't buy c) must have bought d) can't have bought

Modals of deduction - present and past

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