Though ________ in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life.

 I had planned to invite Tom to the party to increase the atmosphere, but it turned out that his arrival ____ the atmosphere.

–The Wall Street Journal is giving me a laptop with Windows XP, an operating system I found satisfying when it first _____ eight years ago.–Are you sure? You must be talking big.

As I ________the house，I noticed a light upstairs. 

—Was he still there when you were away to answer the phone?—There is no doubt about it, but he ________ soon afterwards.