Номер 1
перепиши основу каждого предложения а потом так
1 ....but when he is older he will be abble to answer it
2...but when he is olderhe will be abble to do it
3..... but when he is older he will be abble to go there
4...but when he is older he .will be abble to do it
5... but when he is older he will be abble to have it