In my pencil-box, _______ a pen, two pencils and three rulers.
Jack’s grandfather ________for more than twenty years.
They went on working ________the heavy rain.
--- Have you seen the film Titanic? ---No , but I ________.
---- Is Ann knocking at the door?--- No, it ______ be Ann. She has gone to Beijing.
I tried several jackets on ,but _____of them fit me well.