16. We have recently studied the ___ of the stones in the kidneys
A. formation
B. building
C. block
D. star
17. SYNONYM: The plane was flying at |an altitude| of 10,000 meters when it was hijacked.
A. a height
B. an area
C. a region
D. a length
18. Jack wants to find another house which is more ____ for his family to leave in because he has four children now
A. soundly
B. terrible
C. narrow
D. spacious
19. The weather ____ says that there will be heavy rain this afternoon.
A. broadcast
B. program
C. news
D. forecast
20. Anna had to ____ her parents to let her go on a two-day trip with her friends.
A. persuade
B. permit
C. entertain
D. participate
21. A night campfire ____ a three-day trip will be a great event for the schoolchildren
A. on
B. at
C. in
D. for
16. We have recently studied the ___ of the stones in the kidneys
A. formation
B. building
C. block
D. star
17. SYNONYM: The plane was flying at |an altitude| of 10,000 meters when it was hijacked.
A. a height
B. an area
C. a region
D. a length
18. Jack wants to find another house which is more ____ for his family to leave in because he has four children now
A. soundly
B. terrible
C. narrow
D. spacious
19. The weather ____ says that there will be heavy rain this afternoon.
A. broadcast
B. program
C. news
D. forecast
20. Anna had to ____ her parents to let her go on a two-day trip with her friends.
A. persuade
B. permit
C. entertain
D. participate
21. A night campfire ____ a three-day trip will be a great event for the schoolchildren
A. on
B. at
C. in
D. for
16.A
the formation of the stones in the kidneys: sự hình thành của sỏi thận
17. A
an altitude: độ cao
18. D
spacious: rộng rãi
19. D
weather forecast: dự báo thời tiết
20. A
persuade: thuyết phục
21. C
in a three-day trip: trong chuyến đi ba ngày