Перефразируйте следующие пред¬ложения, употребляя модальный глагол must.
E.g. Probably I left my textbook in the classroom. I must have left my textbook in the classroom.
1. Probably I left my bag in the canteen. 2. Prob¬ably you left your umbrella in the bus. 3. Probably Mary forgot to call me. 4. Probably mother took my umbrella. 5. Probably I have seen you before: your face is familiar to me. 6. Probably you left your ex¬ercise-book at school. 7. Evidently she has left the town. 8. Probably Mike has gone to the teachers’ room. 9. Probably Tom and Nick are playing foot¬ball. 10. Probably Helen has got a bad mark. 11. Ev¬idently they have solved the problem. 12. Evidently the pupils have finished writing their composition. 13. Obviously he forgot to warn them. 14. Evident¬ly the meeting was cancelled. 15. Evidently he for¬got to send them a telegram. 16. Evidently there was something wrong with the tape-recorder.