1.If you could sing this song for times,the children would pick up the words.
2.We all try our best to assure the old man that it's safe to take an airplane.
3.Inadequate of Vitamin A would lead to night blindness.
4.I can use the computer,but when it comes to repair it,I know nothing about it.
5.Many a mother tries to realize her dreams in her daughter.
6.The bad weather discourages people from demon stration.
7.I give him some medicines to ease his pain.
8.This job was involved in going aboard for three months every year.
