The Yellow River is the second _________ river in our country.

---I’m getting fatter and fatter. What should I do, doctor? ---You should eat ______ food and take ______exercise.

--Which month has______ days in a year?  ----February.

Tara isn’t as______as her twin sister Tina, but she is a little_______. 

I hope there will be ____ cars and ____ pollution in the future, thus people will live longer.