The __________ teacher thinks it is __________ to devote so much time to his students.
I got up early that morning, but I _____ so because I had no work to do.
You must be a writer, _____?
She’s already two hours late. What ______ to her?
— Will your brother stay home tonight?— I’m not quite sure. He _____ to the cinema tonight.
Since the road is wet this morning, _____ last night.