John ________ Joan at least for ten years.
Her son,to whom she was so_____,went abroad ten years ago.
Before use, your new mobile must fully____.
—Americans spend more on health care than most other people .— You’re right . But a new study shows that life in the United States is falling .
--- Will you waste your time and money on that? --- Certainly ________.
_________ to 100℃, water will boil.