I don’t think the experiment is _________ failure. At least we have gained _________experience for future success.
The professor can hardly find sufficient grounds his argument in favor of the theory.
—Sorry,my dog frightened your daughter.—Forget it!________.
The teacher stressed again that the students should not________any important details while retelling the story.
I will put the book________you placed it and make a mark at the place________I put it.
—Shall we have our picnic tomorrow?—________ it doesn’t rain.