1. What's important is whether you do their best. (the count)
2 due to concerns about his son's safety, I did not sleep a wink all night. (long)
3. The teacher advised me in summer holidays to read more books. (recommend)
4. Nearly 10 years of my hometown, great changes have taken place. (witness)
5. The car into a big tree, turned over two rolling didn't stop. (your over)