B1 Vocabulary- part 11 to cheat (v) Do not cheat in your exam or you’ll fail. در امتحان تقلب نکنید وگرنه مردود می شوید. cheerful (adj) Her cheerful smile made everyone happy. لبخند پرنشاط او همه را شاد کرد. chemical (n / adj) This product contains harmful chemicals for people and the environment. / We have found chemical waste in the river so there is a high …