121. The annual report has been posted online, ____ the director's office has not yet received a printed copy

• A. but 
• B. why
• C. with
• D. once

122. Hasin Fariz turned a study on the ____ effects of sleep into a best-selling book

• A. favorable 
• B. favor
• C. favors
• D. favorably

123. Wynston Containers is ____ a yearly shutdown of its factory so that it can be evaluated for safety and efficiency

• A. involving
• B. participating
• C. implementing 
• D. producing

124. The Girard Botanical Archive has almost 300,000 plant ____ , all neatly pressed onto archival paper

• A. authorities
• B. specimens 
• C. founders
• D. specifics

125. Hotels and universities are ____ to recycle their used mattresses through the city's recycling program

• A. systematic
• B. eligible 
• C. familiar
• D. successful