It was only after he had read the papers Mr. Gross realized the task before him was extremely difficult to complete.
_____, the car stopped all at once.
— I think my child’s behavior is _______ . — No, he just has a lot of energy.
His strong love for his country is _______ in his recently published poems.
He ______ busy yesterday, or he ______ you with your experiment.
—Can you come to attend our party tonight? -- Sorry, but I do wish I _________.