Look! The police ______ the food onto the bank of the river.
If we are interested in something, our brain is_____and it is also easier for us to pay attention to it for a long time.( )
active
more active
the most active
Since 1990, Project Hope_____millions of students from poor families realize their dreams.( )
will help
has helped
helps
The BBC's documentary Du Fu: China's Greatest Poet explains_____Du's works have been popular for centuries.( )
when
whether
why
With the help of Air Classroom, students_____ keep learning even with schools closed.( )
can
must
should
Drugs are harmful to people's physical and mental health. We teenagers must_____them.( )
take care of
keep away from
get used to