WHY DID SOME OF THE STUDENTS SLEEP SOUNDLY

33. - BAI KIEM TRA SO 2 LOP 10CB
BAI KIEM TRA SO 2 LOP 10CB

33. Why did some of the students sleep soundly?

A. because it was so peaceful and quiet in the garden.

B. because it was very cold and wet.

C. because they were very tired.