Read the passage and choose the correct answerthere are many reasons

I . read the passage and choose the correct answer
there are many reasons (1) ...................... it is important to have a hobby .firt  of all , a hobby can be a remedy for your (2) ..................because it is the activity you choose for  yourself , it will always give you pleasure and (3) .............. you lax  . Even  if you just  spend a little time enjoying your hobby , you can  see the difference (4) ...................... your  spirit . second , some hobbies can  also (5) ............................ you financially . Many old people enjoy gardenning . They grow a lot of trees and vegetable , so they can sell them  for some money .In (6) ..................... ,a hobby can (7) ........................ a stamp club to share 
your albums  with other colectors . if your hobby is carving eggshell , you can give your products to your friends (8) ............. gifts .
1 / A . why            B . for                  C  . because
2 / A . happiest     B . tiredness       C  . pain
3 / A . do               B . have             C . help
4 / A . for               B .on                  C . in
5 / A . harm           B . benefit           C .give
6 /  A . adition        B . general          C . conclusion 
7 / A . take part      B  . join                C . do
8 / A  . like              B  . for                 C . as