The days are gone ________physical strength was all you needed to make a living.

use caught fire last week, withlittle of the original building _________.

Because of my ______ English, I can’t make myself ______.

The center, dealing with children_______ to computergames, has achieved great success.

“Have you ever been to HK, Jim”—– “ Yes , I ______ there for two weeks withmy parents last summer.”