Don’t refer to the dictionary every time you come across a new word as sometimes its meaning may be _______ clearly in a given context.

Nothing_______ by someone smoking in bed.

I can’t stand ___________ hamburgers everynoon. —Then why not stop ________ another kind offood

Mary felt________from the outside world，since she lacked an Internet connection and couldn’t receive any e­mail.

Thereis a great deal of evidence that musicactivities engage different parts of the brain