According to ______ new law, China will set up compulsory standards on food safety, covering ______ wide range from the use of additives to safety and nutrition labels.
It is no use _____ such mistakes. You should learn a lesson from them.
Peasants earn their living by selling agriculture ____ in China.
It was a matter of _____ would take the position.
When the teacher praised him for working out the math problem, Jack looked __________ about at his classmates.
You must come with us to the police __________ Our head is waiting for you.