Ответы и объяснения

2013-09-14T15:35:55+04:00
A)
1. can ride
2. He'll have
3. Can you come
4.  should see
5.  couldn't buy
6. needn't go
7. ought to listen to 
8. should go                                                                                                       

B)
1. can
2. couldn't  
3. be able to
4.  was able to
5. be able to
6. can