V/Choose the correct option for each gap lo finish the passage.
A tsunami is a Chain of fast moving waves in the ocean caused by powerful earthquakes or volcanic eruptions. Tsunami has very long wave. It can be hundreds of kilometers (1).....Usually, tsunami starts suddenly. The waves travel(2)....a great speed across an ocean with little energy loss. They can remove sand from beaclues, destroy trees,damage houses and even destroy whole towns. The water will draw back from the coast half of the wave period prior to the wave getting to the coast. If the slope of the coast is not deep, the water may (3)...........
for hundreds of metres. People who do not know of the danger will often remain at the shore. Tsunamis cannot (4)............. ,However, there are ways to
help stop people from
dying from a tsunami. Some (5)...............with lots of tsunamis may use warning systems which may warn the population
betore the big waves reach the land. Because an earthquake that caused the tsunami can be felt before the wave gets to the
shore, people can be warned to go somewhere safe.
1. A. long
     B.far
     C.wide
     D.large
2. A. from
    B. of
    C. at
    D. in
3. A. move away
B. go along
C. spread out
D. pull back   
4. A. prevent
B. preventing 
C. prevention 
D. be prevented
5. A. countries
B. regions 
C. states
D. districts