_____of the two story books are very interesting, so I can’t decide which one to choose. 

September 8th，1931 is a special day，________, I think，that will be remembered by the Chinese forever. 

— Mum, may I have some cakes?— Sorry, there’s ______ left in the box. I’ll go and buy some for you tonight.

Tom’s teacher kept on telling him to practise speaking English, but _______ didn’t work.

—What do you think of modern music?—It is often considered not as good as ________ of the past.