In each of the following questions, sentences are given with blanks to be filled in with an appropriate word (s). Four alternatives are suggested for each question. Choose the correct alternative out of the four and indicate your choice for the correct answer.

प्र:

They sat by the river bank with their legs ______ in the water. 

• 1
  remaining
• 2
  swimming
• 3
  washing
• 4
  dangling