—Why are you laughing secretly at me?—You look         in that odd hat.

 —If you don’t like the red coat， take the blue one.　　—OK， but do you have ______ size in blue？This one’s a bit tight for me.

It is ______ to improve the working conditions for the construction workers.

 --- Are you satisfied with what he did?--- No. It couldn’t have been ______.

 Please keep _________ while I take your photograph.