1.
A.arrival B.national C.physical D.natural
2.
A.debris B.rainstorm C.destroy D.shelter
3.
A.primary B. animal C.tropical D.volcano
4.
A.climatology B.bibliography C.communition D.radiography
5.
A.classic B.nature C.degree D.debris
6.
A.examinee B.electronic C.scientific D.prepartion
7.
A.classical B.poisonnous C.logical D.pollution
8.
A.dramatic B.tornado C.historic D.injury
9.
A.national B.physical C.arrival D.natural
10.
A.industry B.tornado C.natural D.injury
11.
A.geography B.electronic C.scientific D.preparation
12.
A.unkind B.kindness C.impure D.machine
13.
A.imbalance B.unable C.unhealthy D.impolite
14.
A.unexplored B.unforeseen C.untidy D.immature
15.
A.unlimited B.undeveloped C.unsuccessful D.unaffected
giup minh di mn 
minh dang on bai de thi a 
