________ with care, one tin will last for six weeks.
He has lived at for 30 years.
The book is of great value can be enjoyed form it until you have a deep understanding of it, however.
One of the sides of the board should be painted yellow, and .
---You don’t often see them, do you? ---No, I see of them.
He is clever and hard-working, so he has reason to succeed in the exam.