I didn’t quite follow him because he explained the theory _____that is too abstract for me.
The media can often help solve problems and ________ attention to situations ________help is needed.
Will you________me a favour and carry this box?It’s too heavy for me.
I don't doubt ________the people in Beichuan County will recover from the disaster soon and rebuild their homes better than before.
There is a new problem________in the popularity of private cars that road conditions need improving.
She was ________ mayor of the city for what she had done for the public.