— Are two students enough to help you carry the desk?— No, the desk is too heavy. I need ______ two.

The old man was _______ sad _______ say a word when he heard the bad news. 

He spoke very fast and very _____ people understood what he said.

— There is a smile on Miss Gao’s face. She must be _______ with Sam’s work.— I think so. No one did as__ as him in our class.

Sally used to be               , but now she enjoys meeting new people.