Once you are ________ to smoking, it is difficult to give it up.

(2013·山西高三诊断)It ________ me how we could improve the situation.

A completely new situation is likely to        when the new law comes into effect.

Fully ________ in looking after three children at home, she no longer has time to enjoy   various activities in the club.

One of the advantages of living on the top floor of a highrise is that you can get a good _______.