Viết lại câu dựa vào từ được gợi ý

1.Learning English is not difficult for me.
-It is......................................................
2.Jim was very confident when he said that he was th best.
-Jim was very confident to..................................................
3.Peter received a letter from his foreign friend yesterday.He was very happy about it.
-Peter was very happy to..............................................................
4.I can't come to your party this weekend ,i'm afraid.
-Iam afraid.................................................................
5.Doing gardening is not as easy as it looks.
-It is not.........................................................
6.I had no difficultyin making the last decision.
-It was not....................................................