— What’s the matter with Peter?— He was seen crying when he was coming out of the office.He ________ by the manager.
When a giraffe has ______ drink, it has to stand with its front legs wide apart in order to reach ______ water easily.
If we ___________some measures, we might have prevented the environmental pollution.
–May I smoke in the room? --No, you______________. It’s a non-smoking room..
---It’s a long time ______ I last saw you. ---Yes, and it will be another month ______ we can meet again.
John received an invitation to dinner, and with his work ________, he gladly accepted it.