[ TOEFL ]
In prehistoric ___________ of western Utah was covered by Lake Bonneville.
A. times, a large part
B. times, there was a large part
C. part of the time
D. for large parts of time

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According to the latest issue of the journal of American Medical Association, ____ can reduce the risk of sudden cardiac death in men.
A. fish being eaten every week
B. if we eat fish once a week
C. to eat weekly fish
D. fish to eat weekly
E. eating fish just once a week