—Do you know anything about the players of our school basketball team?—Yes. They are _______ young boys between the age of thirteen and fifteen.

— _________ has Liu Xiang taken part in world’s competitions of 110-metre hurdles?— I’ve no idea. Let’s find it out on the Internet.

— Ben looks strong. Has he ever been sick?— He’s a superman! He ________ goes to the doctor.

Daniel goes to school by bus, but he walks ________ after school.

There is_____ in the classroom, we can see_______.