In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
I went on (1) _________ trying to 'find out how to'; but I wrote two or three novels without feeling that I had made (2) _________ progress. It was not until I wrote ‘Ethan Frome’ that I suddenly felt the artisan's full (3) _________ of his implements. When ‘Ethan Frome’ first appeared, I was (4) _________ criticised by the reviewers for what was considered the clumsy structure of the tale. I had pondered long on this structure, had felt its peculiar difficulties, and possible awkwardness, but could think of no (5) _________ which would serve as well in the given case: and though I am far from thinking ‘Ethan Frome’ is my best novel, and am bored and even exasperated when I am told that it is, I am still sure that its structure is not its weak point.
Select the most appropriate option to fill in blank no. 2.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
I went on (1) _________ trying to 'find out how to'; but I wrote two or three novels without feeling that I had made (2) _________ progress. It was not until I wrote ‘Ethan Frome’ that I suddenly felt the artisan's full (3) _________ of his implements. When ‘Ethan Frome’ first appeared, I was (4) _________ criticised by the reviewers for what was considered the clumsy structure of the tale. I had pondered long on this structure, had felt its peculiar difficulties, and possible awkwardness, but could think of no (5) _________ which would serve as well in the given case: and though I am far from thinking ‘Ethan Frome’ is my best novel, and am bored and even exasperated when I am told that it is, I am still sure that its structure is not its weak point.
Select the most appropriate option to fill in blank no. 2.