—Which is______，the sun，the moon or the earth?—Of course，the moon is.

Air pollution has become__________ than ever before. We must do something to stop it.

–How are you today, Francis?–Much _______, but my doctor says I’ll still have to rest for another few days.

---How delicious the coffee is! ---That’s right. It will taste ______ with milk.

I’m quiet, but Laura likes talking with people. So she is _______ than me.