It is said that bad living habits as well as dirty surroundings, stuffy rooms and some other factors ________ the wide spread of H1N1.
He couldn’t continue to live such a poor life, so he left home, ____ not to come back if he couldn’t get rich.
The beautiful lady was at ____ loss when ____ word came that she was forbidden to drive for speeding too many times.
I send you books today, the rest ________ in a few days.
Don’t touth anything unless _______ .
Eating too much fat can _______heart disease and cause high blood pressure.