1.She started working as a secretary 2 years ago. (0.5 Điểm) A. She has working as a secretary 2 years ago. B. She has worked as a secretary for 2 years. C. She have worked as a secretary 2 years ago. D. She has worked as a secretary 2 years ago. 2.The ________is the air, water, land, animals and plants around us. (0.5 Điểm) A. environment B. community C. organization. D. program 3.The World Health __________ is an international one (0.5 Điểm) A. organize B. organizer C. organization D. Organization 4. She is studying hard ________ the final exams. (0.5 Điểm) A. but for passing B. in order to pass C. so as pass D. so that she pass 5.Most people enjoy ________ to different parts of the world. (0.5 Điểm) A. to travel B. travel C. traveled D. traveling 6. I started cooking for the party 4 hours ago. (0.5 Điểm) A. I started to cook for the party for 4 hours B. I has cooked for the party for 4 hours C. I have cooked for the party for 4 hours D. I last cooked for the party for 4 hours 7.Ba has collected stamps .................... 1995 (0.5 Điểm) A. in B. for C. since D. on