Many of them ignored his advice, _______ they knew it to be very useful.
As we all know, the sooner coastal populations are a coming tsunami, the greater their chances of escaping.
The seller would sell the skirt for fifty dollars, but the customer only half the price.
It is much better to ask someone for advice rather than something.
The professor can hardly find sufficient grounds his argument in favor of the theory.
—Sorry,my dog frightened your daughter. —Forget it!________.