Lionel Messi, ______ the record for the most goals in a calendar year, is considered the most talented football player in Europe.
—I have finished the homework. — . How about going out for a walk?
—You seemed not to be interested in the story yesterday. —Yes. I it in a magazine before.
We should go to school by bus or underground rather than by car global warming.
—Now, where is my key? —! They are waiting for us at the school gate.
The teaching building in the big earthquake was our chemistry lab.