Mr. Smith likes traveling _______; but his wife enjoys _______.
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.
164. --- Jane, whom would you like to talk with at the end of the lecture? --- Mary. The lady ________ Miss White.