How did you _____ the old valuable house—It used to be _____my uncle. He left it to me inhis will.

In winter, we must pay attention to .

The air pollution is so terrible.–It will be worse we do something to protect the environment.

What colour sweater do you like ,green ______ blue

What was the weather like yesterday? — It was terrible It rained so ________ that people could _______ go out