The professor advised us to think outside the box and to________ new, different, or unusual solutions.
The visiting professor offered us some advice, of great help to our English learning.
He gave a lot of presents to his friends, but never one to me.
In spite of his own safety, the boy, , jumped into the river to save the girl in the water.
She married an Australian man and became a (n) citizen of that country.
his homework, Little Tom has to stay in his room for another hour.