WORD FORMS 5 1. The secret to __________ in life is hard working. (success) 2. He failed the exam last year. He didn’t __________ (success). 3. With so many choices, it is hard to __________ what to buy. (decision) 4. This problem caused a lot of __________. (difficult). 5. A lot of modern __________ is used in various fields. (technical) 6. The __________ of synthetic fabric has brought new challenges. (develop) 7. Good __________ is essential in a large organization. (communicate). 8. She is so busy with __________ activities that she has no time for entertainment. (society) 9. Winning the race was an __________.(achieve) 10. __________ is increasing by using better methods and tools. (produce) Mấy bạn giải hộ mình với, ai giải trước mình cho 5sao, cần gấp trước chìu