[ Grammar ]
But there are some researchers who claim that the area ___ by a meteorite.
A. couldn’t have been hit
B. couldn’t have been hitted
C. couldn’t have hit
D. couldn’t have been hut

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Homonyms › ViewThe area was ___ for gold since 1900.
a. mind
b. mined
General Knowledge › View
Nuclear energy is the splitting of uranium atoms in order to create heat.
A. True
B. False
A What should I buy you for your birthday?
B I don’t mind. I’ll be happy with_____________you give me.
_
A. whichever
B. whatever
C. whenever
D. whoever
E. however
Comparision › View
John’s grades are _____than his sister.
A. higher
B. more high
C. more higher
D. the bigest
