It’s too hot. Would you mind mythe window?

Did you love your day trip?–Yes,we enjoyed the roller coaster ________of all.

The whole world is undergoing the biggest financial crisis nowadays, ____ calls for international cooperation among all nations to get over.

What cold weather it is!–The radio says it will be even ________ tomorrow. Remember to put on more clothes.

More than two _______years ago, people knew little about the universe.