What's date today? It's ______.
A. the eight of March
B. March eighth
C. eight, March
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It happened in _____.
A. the forties of the eleven century
B. the forties of tenth century
C. the forties of the eleventh century
About ____ of the earth's surface is covered with water.
A. three-fours
B. three-fourth
C. three-fourths
He went down to the village which was ____ miles away from the city.
A. three hundreds
B. three hundred
C. three hundreds of
有收敛作用的抗酸药是:( )
A. 碳酸氢钠
B. 氢氧化铝
C. 氧化镁
D. 三硅酸镁
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