单项选择题 You (will) almost always (find) Caroline (playing) a video game because she enjoys (to be challenged).

单项选择题 It is the interaction (between) people, (rather than) the events that occur in their lives that (are) the main focus (of) social psychology.

单项选择题 (Although) we had been present (at) roughly the same time, Mr. Brown saw the situation quite (different) from (the way) I saw it.