All of us thought Kathy would come to the speech contest. But she didn’t ______.

When deeply lost in thought, _______ he often was, he would forget all about eating or sleeping.

Air quality in our city is becoming worse and worse. —Yes. These days’ PM2.5 readings are frightening.We must do something to ______air pollution.

He will dresshimself in two years.

The beauty of the city is _______ my description