The angry teacher theimpatient boy who was doing something that had nothing to do with what wasbeing taught

Amy lived in Beijing for 3 years, ________ 2012 to 2015.

Who is that young man ____— He’s Michael, my brother. He often reads books___ the sofa.

There is a big library in our school,and this is　　I often go to get the latest information.

20It was already 11 o’clock in the evening_____they arrived at the hotel