We can have ___ bluer sky if we create ___ less polluted world.

Look at _____ handbag. I bougt it for my sister, isn’t it nice?——Oh, what _____ nice present!

Shall we listen to Sun of the Season again?— Yes. How soft and beautiful it _______!

Experts believe that language learning is a process ______ skills are more important than grammar rules.

Tom didn’t get ready for his speech, so he was very ______ when he stood in front of class.