Comprehension Passage
Direction: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
Buck ______ (1) ______ over against the sled, ______ (2) ______, sobbing for breath, helpless. This was Spitz’s opportunity. He sprang upon Buck, and twice his teeth sank into his ______ (3) ______ foe and ripped and tore the flesh to the bone. Then Francois’ lash ______ (4) ______, and Buck had the satisfaction of watching Spitz receive the worst whipping as yet ______ (5) ______ to any of the team.
Select the most appropriate option to fill in blank number 3.
1
unresisting
2
unsatiable
3
undetermined
4
unquenchable