It’s a very interesting book.— ________.— And thank you very much for letting me keep it so long.

You don’t seem to be quite yourself today What’s wrong?— Oh, I’m suffering from a cold Nothing serious, _____

different figure ________ eachtime I add them, you see.—-Something must be wrong with thecalculator.

Have you finished your homework ______ –Not ______, I’ll need another hour

The thief was noticed _____theoffice building by the back door on the screen.