— You keep on coughing. What's the matter? — Oh, I've got a cold. Nothing serious, ____.
A brilliant idea occurred to him, to his research in the lab.
Father doesn’t know Jack has been gambling; if he found out, I think he him out.
--- What is the weather like tomorrow? --- The weather forecast says a big snowstorm is .
There aren’t many seats left for the play; you had better make sure that you two today.
We need to take action instead of waiting here for problems .