Things will get better in the future, we will have ______ cars and _____pollution.

—Which city is your favorite? —Hangzhou, of course. It’s the _____place that I want to visit. 

At present, the students in China take more exercise. Most of them are ______ than before. 

 --- Is your sister as serious as you? --- No, she isn’t. She is           .

—What bad weather!—Yes. The weather report says it will be even ________ later on.