The house caught___fire last night but no one knows who set ___fire to it. A. X;X B.X;a C, a; a D, a; X
_____we fail , we _____trying.
_____it was late , she went on working.
He started early so that he_____there in time.
_____clearly so that your teacher_____you correctly.
Let the dog loose so that it_____have a run.