根据据以及首字母提示,用单词的适当形式填空.

根据据以及首字母提示,用单词的适当形式填空.
My fdireng Jack like c__ stamps and shells .
They'll organize a pop concert to r___money for the poor children.
You like skating so much.   When did you get your first pair of s___.
Sam,congratulations on w___the skating marathon .
When you send letters,you must glue (粘贴)the s____on the envelope.
Do you want to s____on the real ice.
I need a p___of sports shoes.
--How long have you been studying English?
--S___two years ago.