Knowing office rules — whether ______ or not — is important, especially for young job seekers.

106 Where are my keys They seem to have____

Because of the bad weather, my mother ____ and lay in bed. She ______ for a week.

Is there a classroom building ____ the school–Yes, and there are some tall trees ____ the classroom building.

30 % of the young trees, attacked by diseases, ________pine trees