【2013江苏无锡】— Look at the bird over there! It’s so beautiful! — Wow! It’s a rare crane. It appears in this area.
—How often does your brother go swimming? —________.
I can’t learn math well. Can you give me some ________?
They are going to have a picnic _______ next week.
There are about ________ students in our school.
—Do you like our English teacher? —Yes. I think his class is very ________.