They have just sent an ambulance to the school.
A.An ambulance has just been send to the school.
B.An ambulance has just been sent to the school.
C.An ambulance had just been sent to the school.
D.An ambulance have just been sent to the school.

Which of the following is NOT MENTIONED in the passage?
A.The formation of deserts
B.Different types of deserts
C.Human's life on deserts
D.The causes of desertification

According to the passage, what leads to the increase in desert area?
A.The increase in the Earth's temperature
B.The overpopulation in the whole world
C.The higher speed of the wind
D.The development of human society

According to the passage, what is the major difference between cold deserts and hot deserts?
A.There is less vegetation in cold desert than in hot desert.
B.Many more animals are living in hot desserts than they are in cold desert.
C.While hot deserts sometimes get rainfall, cold deserts get snowfall.
D.The area of cold deserts is much larger than that of hot deserts.

According to the author's description of deserts, all of the following are true EXCEPT_____.
A.They receive much precipitation during the nighttime.
B.There is a small amount of vegetation in them.
C.They are often covered in sand and rocky surfaces.
D.There are six forms of them.

“Don’t interrupt me while I am speaking.” Nam said to Hoa.
A.Nam told Hoa not to be interrupted him while he was speaking.
B.Nam told Hoa not to interrupt him while he was speaking.
C.Nam told Hoa not interrupt him while he was speaking.
D.Nam told Hoa not interrupting him while he was speaking.

__________(29)
A.is
B.be
C.are
D.was

_______(28)
A.yards
B.roofs
C.gardens
D.doors

My brother loves________to music very much.
A.to be listened
B.listening
C.to listen
D.listened

He________his grandparents every Sunday.
listened
A.has visited
B.visits
C.is visiting
D.was visiting