The number of people in the world ________ about 6 billion and large quantities of waste ________ each year.[ ]

The film ______for ten minutes

The farmers are satisfied their harvest through a year’s hard work.

You’ve worked there for half a year. Whatdo you think about your boss— He is a person who would try his best to________ his purpose.

Internet shopping will ready when people make sure that it is safe.[ ]