．Mother______ us stories when we were young .

Once you have become _______ tocigarette smoking or alcohol, it is hard to _______it even though you try hard.

The little boy is very kind. Healways ____ his food ____others.

______ I’m well again, I can go on with my work.

13．A new simplified desktop computer has been developed for people aged over 60 to make them _________with PC and the Internet.