Когда они подошли к озеру, мистер Б

Когда они подошли к озеру, мистер Боб Сойер надел коньки и стал описывать круги (to make circles) на льду, не останавливаясь ни на минуту, чтобы перевести дыхание.

Results (English) 1:

When they came to the Lake, Mr. Bob Sawyer put on skates and had to describe circles (to make circles) on the ice, not stopping for a minute to take a breath.

Results (English) 2:

When they got to the lake, Mr. Bob Sawyer put on skates and began to describe circles (to make circles) on the ice, not stopping for a moment to catch his breath.

Results (English) 3:

When they arrived to the lake, Mr. Bob Sawyer wearing skates and became describe circles (to make сirсles) on the ice, not stopping for a moment, that is the time to breathe.