Fill in blanks in the passage given below with the appropriate form of the verb given in brackets. Do not write the passage, but write the verbs in the correct order.
I ____________ (1) (realize) that I ___________ (2) (know) one of the two men by sight, and I _________ (3) (spend) a few seconds thinking why he _________ (4) (seek) me out on a Sunday afternoon.
During this pause, three small boys __________ (5) (walk) up the passage from the house behind me, _________ (6) (thread) a way around me and the two men outside, and silently ________ (7) (climb) like cats up into a tree in the middle of the lawn outside. There, the three figures ________ (8) (rest), _________ (9) (become) immobile, ________ (10) (lie) on their stomachs, deep in a secret game.