The reason _______ he explained for his being late was ________ his alarm clock didn’t work.
159. The wages ______ him will be paid tomorrow.
160. I don’t really work here; I ______ until the new secretary arrives.
161. As I was about to speak ______ you interrupted me.
162. Many countries are increasing their use of natural gas, wind and other forms of ______.
163. _____ you are leaving tomorrow, we can eat dinner together tonight.