We avoid_______ out environment.

"What's wrong with the teacher?" "_______to class late so much has made him mad".

I think they are now accustomed to _______ 12 hours a day.

Suddenly everybody stopped_______ There was silence.

"Don’t take a taxi. We insist_______ in our car.

"It’s warmer in her now". "Yes, I had Karen _______ then window.".

"I can't open this jar of mayonnaise" "_______ Lee to help you".

"What is this letter about?" "It's in regard_______ at a conference next week".

I can’t stand_______ her cry.

"You've been redecorating your house", "Yes, I'm thinking_______ this room white".

"This cabinet is beautiful. Did you make it yourself?" "No, I had_______".

Photocopiers are used_______ of a written text.

_______natural resources is of great importance.

"What happened to Julie?" "We saw_______ by a bicyclist".

"Do you like being married?" "Yes, but I'm not use_______ every night".