... was clever to work out the answer of it.9. the tourists/ back/ when/ be/ the guide/ didn't/ tell/ at the coachThe guide didn’t tell the tourists when to be back at the coach.10. hear/ ... teach, Christmas, machine, village, religion, hamburger, enjoy, dirty, schedule, literature, information, question, orchestra, cheap, pleasure, feature, imaginary, jealous, cheese, jacket, ... UNIT 1 FriendshipI. Choose the words which contain the sound / and education, engineer, damage,...