We are now enjoying the cool air in the room. ________ the meantime, the farmers are harvesting crops in the hot sun.
—Do you work in this office?
—No, as a clerk in this office is on vacation, I'm just helping______ here for about a week.
The boss refused to sell the car for ________ he thought was not satisfactory.
I have urged Tony ________(stay) away from computer games before he becomes addicted to them.
A survey of China's citizens found that some smokers are unwilling to kick the habit because they aren't fully aware ________ the harm it does to health.
Beijing isn't what it used to be. The last decade ________(witness) great changes in the city images.
