--- ______ do you play football?　 --- Once a week.

---Did you find the small village yesterday? ---Yes, without any difficulty, for it has __________changed over years.

These days, Grade 9 students stay up too late to finish ______homework and prepare for exams, as a result, some of them feel _________ the next day.

— _________ 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.

 It was very late, but the teachers were ________ working hard in the office.