_______________you practice every day，you won' t make any progress.（ ）
| A． |
Although |
B． |
Unless |
C． |
If |
D． |
Since |
Many teenagers don′t like to talk with their parents．But I am them．I love to share my joy and sorrow with my parents．（ ）
A．the same asB．different from
C．interested inD．angry with
There______a number of books in the library and the number of them______increasing．（ ）
A．has，isB．have，areC．are，isD．is，are
Life is the unexpected．Whatever we do，try our best．（ ）
A．full ofB．proud ofC．instead ofD．because of
weather it is！Shall we go for a picnic？
I can't agree more．（ ）
A．What a goodB．what good
C．How good theD．How good
Could you please me your notebook，Grace？
Certainly．Here you are．（ ）
A．borrowB．to borrowC．lendD．to lend