A. get the better of B. select C. to date D. extensive E. essential 1.Congratulations! This is the best book you have written so far . ( ) 2.It would be hard to defeat someone as experienced as she is at Go. ( ) 3.The machine you are to design must be strong, and yet it is important that it should be light. ( ) 4. No man can choose his parents. ( ) 5. This vast area consists of lakes and land half covered with a variety of tropical plants. ( )