(A )1.One is never too old to learn.
(C )2.No answer is an answer.
( E)3.Two heads are better than one.
(B )4.Where there is a will,there is a way.
(D )5.Nothing is difficult to the man who will try.
A.活到老,学到老.
B.有志者事竟成.
C.沉默也是一种回答.
D.世上无难事,只怕有心人.
E.两人智慧胜一人.