1.My parents used to live in South America where I usually go by air.
2.There was no one to attend him but Tina.
3.We must be show respect for elder member of a family.
4.I regret that I set off late.
5.We can learn a lot of things by in the past experience.
6.We have a travel by ride a camel is a interesting experience.
7.My mother was perpare dinner for us when we go home.