Personal space means not only an imaginary space around the body, but _____ around all the senses.
_____ you don’t lose heart, I’m sure you can pass the coming examination.
__________all kinds of difficulties,the workers have made rapid progress in the construction of the World Expo 2010 Shanghai.
_______of the household rubbish___recycled or reused since the new technology was applied.
Health problems are closely connected with bad eating habits and a____ of exercise.
---Could I borrow your car for a while?--- _________. I won’t use it today.