135.
(A) will be
(B) might have been
(C) should have been
(D) have been

131. (A) at (B) on (C) to (D) of

132. (A) disrupting (B) disabling (C) discharging (D) distributing

133. (A) We use the latest cleaning techniques and equipment to ensure that every surface is clean and free of germs and bacteria. (B) We are a London based tech startup, aimed at helping businesses comply with clean-air regulations. (C) Choose from daily, weekly, bi-weekly, or monthly cleaning services to fit your budget and preferences. (D) It is rapidly becoming clear to us that every company needs a crew of cleaning experts to remind staff of flushing the toilet and to ensure washbasins are clean.

134. (A) advise (B) consultation (C) suggestive (D) debate

136. (A) out of work (B) out of stock (C) outside of work (D) outside of stock

137. (A) upcoming (B) updating (C) upscaling (D) upskilling

138. (A) I will be pleased to hear from you when your online shop reopens. (B) I was wondering if you can inform me of the latest catalog when it is available. (C) If there is any way you can notify me when they are available, I would be grateful. (D) I don't think you appreciate how much I anticipate updates on your store’s finances.

139. (A) a plenty of (B) a great deal of (C) a large amount of (D) a number of

140. (A) seek (B) seeks (C) seeking (D) to seek

141. (A) employment (B) workforce (C) personnel (D) employer