He has read many books on history, so it’sfor him lo answer these questions.

She looks sad. Do you know why?—Her son went to study in Canada. I think she _________ him.

________ do you want?— Let me have five kilos. [ ]

We are happy to see our city is developing ________ these years than before.

What do you like to do after school, Simon?— I like playing ______football with my father.