--Professor Johnson, I'm afraid I can't finish the report within this week. --_______ How about next week?
___________lessons were not difficult.
—You don't seem to be quite yourself today. What's wrong? —Oh, I'm suffering from a cold. Nothing serious,______
The most favorite room is the tidy study with a fireplace,_____we can watch TV and enjoy the nice scenery outside.
I lost my way in complete darkness and,______ matters worse, it began to rain.
I ___ taking his illness lying down, he insisted on working to the end heart and soul.