In the following passage some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
 
I had seen the magic shop from afar several times. I had passed (1)______ once or twice, a shop window of (2)______ little objects, magic balls, magic hens, wonderful cones, magic dolls and all those (3)______ of things. But never had I thought of going in (4)______ one day, Gip hauled me by my finger – right (5)______ to the window.

Q:

Select the most appropriate option to fill in blank No.4.

• 1
  while
• 2
  after
• 3
  since
• 4
  until