英语好的进!1.What should you do when you are out walking 2.Is hap

英语好的进!
1.What should you do when you are out walking
2.Is happiness important for our general health
3.How many steps should we walk every day to keep fit
4.He thinks it's going to ______ (rain) because there are many black clouds in the sky .
5.He was running along the wall when he ______ (trip)
6.He cut his head and his shoulders hurts .
7.When farmers were working in the fields ,they ______ (keep) fit at the same time .