On hearing the news of the road accidents, his face ________ pale.

(2014·安徽皖南八校三联)A positive attitude，________with willingness to seek appropriate help and exercising solid study habits，will do much to determine how well you do in your studies.

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

When the question _____ at the meeting, no one could answer it.

The flooding      the bridge, so we can’t walk across it forever.