Mr Wang______an article on how to improve spoken English last month, but I don’t know whether he has finished it. 

 It’s more than half a century ________ my grandfather joined the Party and became a servant to the people.

 ______ what your families said just now, I think, and you will make your own decision.

13. It’s already 9 o’clock and Mother _____ step in any moment.

As we grow older,we learn the       of our abilities.