Many people tried to leave the country, ________ there was much violence and a serious shortage of food supply.
They haven't decided ___ they will go for a drive on Sunday or not.
___ new products have been successfully made in the factory.
Either you or I __ to blame for this.
--Was the driving pleasant when you vocationed in Mexico last summer? ----No, it ___ for four days when we arrived, so that the roads were very muddy.
Most of us think that the ocean bottom is ___ smooth land.