The teacher ____ have thought Johnson was worth it or she wouldn’t have wasted time on him, I suppose. [ ]

Tomorrow is my grandfather’s birthday. What should I buy for him

Such poets as Shakespeare _____widely read, of whose works, however, some _____difficult to understand. [ ]

The meeting is about to start, yet the speaker hasn’t turned up.— No one knows ____.

The policeman told us __________ the street when the traffic light was red.