THEY LOOK BORED. I DON’T THINK THEY ARE INTERESTED ...HIS REPORT....

4. - BAI KIEM TRA 1 TIET BAI SO 2
Tiếng Anh BAI KIEM TRA 1 TIET BAI SO 2

4. They look bored. I don’t think they are interested ...his report.

a. at b. on c. in