Read the passage and decide which answer is best fit.
When a volcano ___(1)___, hot gases and melted rock from deep within Earth find ___(2)___ way up to the surface. This material may ___(3)___ slowly out of a crack in the ground or it may explode suddenly into the air. Volcanic eruptions may be very ___(4)___. But they can ___(5)___ create new landforms.
Of nearly 1,900 volcanoes active today or know to have been active in ___(6)___ times, bout ninety percent can be found in the ___(7)___ of South America, North America, Asia, and Oceania that are close ___(8)___ the Patific Ocean.
1. A. blows B. erupts C. throws D. strickes
2. A. they B. theirs C. their D. them
3. A. come B. leave C. flow D. run
4. A. destroy B. destruction C. destructive D. destroyed
5. A. so B. also C. too D. but
6. A. historical B. history C. historically D. historic
7. A. areas B. pieces C. ways D. forms
8. A. to B. with C. at D. in
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