Răspuns:
1-a: You should tell him. It's best to be honest with him.
2-d: You should ought to go back and study everything again.
3-e: You'd better get some training. It can be dangerous.
4-a: You shouldn't eat it. Fruit is healthier.
5-You'd better say sorry the next Time you meet your friends.
6-c: You'd better not return it to the shop. That would really hurt her feelings.