111. The Merrick Travel Agency organizes tours of national monuments and other ____ sites in the St. Petersburg area

• A. historian
• B. historic 
• C. historically
• D. histories

112. The MHS wireless speaker not only works with smartphones ____ is waterproof as well

• A. but 
• B. and
• C. however
• D. besides

113. Assistant managers are largely responsible for the day-to-day operations in ____ departments

• A. theirs
• B. them
• C. their 
• D. they

114. Customers must ____ review the terms of the fitness center's membership agreement before they sign it

• A. smoothly
• B. probably
• C. legibly
• D. thoroughly 

115. We made a ____ estimate of how many tourists to expect in the coming month

• A. conservative 
• B. conservation
• C. conservatism
• D. conservatively