In the following questions, out of the four alternatives, choose the one which can be substituted for the given words/sentences.
In the following questions, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, your answer is No Error.
Before we returned from swimming in the river near the camp, someone had stole our clothes, and we had to walk back with our towels around us.