For 1–6, choose the sentence, a, b or c which as the same meaning as the sentence above. (1) I’m certain it’s a trick. a) It can’t be a trick. b) It might be a trick. c) It must be a trick.
(2) I think it’s probably a fake. a) It can’t be a fake. b) It might be a fake. c) It must be a fake.
(3) I’m sure he isn’t a magician. a) He can’t be a magician. b) He might be a magician. c) He must be a magician.
(4) She’s got different colour hair. a) She can’t be the same woman. b) She might be the same woman. c) She must be the same woman.
(5) I don’t think he was there, but I’m not sure. a) It couldn’t have been him. b) It might have been him. c) It must have been him.
(6) I didn’t sleep last night. a) You could be tired. b) You might be tired. c) You must be tired.
2. B
3. A
4. A
5. B
6. C