___________, Mother will wait for him to have dinner together.

The secret of his success is that he does everything___________．

 With more and more farmers moving to cities, an inadequate labor force is    becoming a major factor affecting the country's grain output.

---You don’t seem to be quite yourself today, do you? ---I’m suffering from a cold. Nothing serious, ____.

What a terrible experience! ________, you’re safe now — that’s the main thing.