Question

1 . (2015 湖北荆州，28, ★ ☆ ☆ ) —Where was your dad at this time last night?

   —He was talking with my uncle I was looking for some information on the      Internet.

   A. after   B. until

   C. since   D. while

Answer 1

1. D前后两个句子的时态都是过去进行时，表示两个在过去 同时进行的动作，故用while。