-- _____is that used for?---_____ the floor.
In the year 2012, the AfricanAmerican tech workforce reduced from 2.8 percent to 2.3 percent, while Asian tech employment saw a ________ small decrease from 4.6 percent to 4.2 percent.
Alex has been in China for quite a few years. ________, he speaks fluent Chinese.
With more and more farmers moving to cities, an inadequate labor force is ________ becoming a major factor affecting the country's grain output.
The Jiangsu TV station is very popular with many people in China, as it deals with ________ subjects such as music, entertainment and fashion.
.The recent study has shown that people's attitudes towards protecting the environment are not ________ with their behavior in daily life.