问几道英语语法填空

题目

问几道英语语法填空
第1道、When ( )(engage) in other activities i wasn't really there.第2道、I could hardly sense the damage it was doing ( ) me.第3道、I struggled ( )(quit) many times.第4道、Nobody could imagine what my life could be now ( ) i had not been recruited into the navy.第5道、I finally made ( ) clean break from my addition.

答案

engaged

to

to quit

if

a       addition-->addiction