Mathematical geneticists showed that the gene frequency change by __________ is much smaller than the change by natural selection.
A. mutation
B. forest fire
C. invisible
D. vision
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Adverb Clauses › ViewIdentify the subordinate clause in the sentence:
You must finish your homework before you watch T.V.
A. you
B. before
C. finish
D. watch
Grammar › View
This was _____________ [good] football game all year!
A. This was the best football than game all year!
B. This was the best football game all year!
C. This was the better football game all year!
D. This was better football game all year!
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