—Shall we go and have a picnic at the weekend?—__________.The weather forecasts say there might be a cold front by then.
-I wonder why Mr Green hasn’t showed up at the meeting yet. -I’m not sure, but he _______ in a traffic jam driving here.
When I got to the cinema, the film _____ for five minutes.
Mary had promised to give me a ticket for tomorrow. She failed, ____.
—He must be busy doing his homework right now. —I imagine____.
After living with his grandparents in the countryside for ten years, the boy returned to the big city ____ his parents worked.