140.
(A) rarely
(B)repeatedly
(C)unusually
(D)unlikely

136. (A) For a limited time only (B)Before now (C)Prior to today (D)After the limitation period

137. (A) experienced (B)exterior (C)extraordinary (D)extensive

138. (A) arrival (B)approval (C)removal (D)survival

139. (A) in advance of (B)for the purpose of (C)in response to (D)with regard to

141. (A) As a single mother, I could hardly afford the rent and electricity bill due to doing a lot of unpaid overtime. (B)As the new mayor of this city, you should take immediate action to ensure that my employer complies with labor laws and regulations. (C)As a health-conscious person, I urge you to help me buy dietary supplements at lower prices. (D)As a newly elected mayor, you have to familiarize yourself with every illegal activity in this city and tell my employer that he has done something illegal.

142. (A) protecting (B)protect (C)have protected (D)have been protecting

143. (A) has been circulating (B)has been circulated (C)have been circulating (D)have been circulated

144. (A) financial incentive (B)compensation scheme (C)expansion plan (D)zero-tolerance policy

145. (A) take (B)taking (C)make (D)making

146. (A) We have a confidential reporting system in place, and all reports are taken seriously. (B)We are going to hold an anniversary two months from now. (C)We aim to report the news as fairly as possible. (D)We are excited to announce the person responsible for spreading the rumor was just found.