Exercise 4: Find and correct ONE mistake in each sentence 1.I prefer read comics careful in my free time. 2.My sister worked more hardly than I did, so she passed the exam. 3. There is the colourful picture among the three ones on the wall. 7. For many ethnic groups in the mountains, the horse is still the more convenient means of transport. 8. A Camel runs much more slowly as a horse 9. I often try to finish my homework as earlier as possible. 10. For some people, training pets are the most difficult than other works. em đang cần gấp mong mọi ng giúp đỡ đc thì em vote 5 sao