older or oldest

My grandpa is _____________ than my grandma.

older or oldest

Mr. Brown is the _____________ in his family.

warmer or warmest

If you live in a very cold country, you may wish you were somewhere __________, maybe a nice, warm beach.

warmer or warmest

Yesterday was ___________ than today.

warmer or warmest

I think it is the _________ day today.

busier or busiest

My mother is the _____________member in our family.

busier or busiest

My sister is studying in ST high school. She is _________ than me.

firmer or firmest

Mr John is the one of people who has the __________ opinion in the meeting.

firmer or firmest

The pears are _________than the bananas.

keener or keenest

The new knife is _________ than the old one.