The old black woman sat under the pine tree, her grandsons, ______ around her, ______ to an old story.
Scientists are trying to develop a special material, _______ they will make use of in space.
The education of _______young is always _______ hot and serious topic in modern society.
She insisted that she ______ not guilty , but we insisted that she ____ into prison
I found her nice and honest ____ I saw her.
I have ______ my husband again and again not to smoke , but I can’t ______ him.