[ Vocabulary ]
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
Random Topics:
Verb Moods and Vague PronounsModals and PrepositionLinking Words and ConjunctionConjunctive Adverbs and PunctuationPassive Voice Present SimpleVerb FormsComparison DegreeAdverb of FrequencyGerund or InfinitiveVerbs of movementOther quiz:
Tenses › View_______ (she drink) coffee every morning? Yes, she _______
A. She drinks, does
B. Does she drink, do
C. She drink, does
D. Does she drink, does
Grammar › View
When Mary arrived home, her mother… lunch.
A. had been cooking
B. had cooked
C. has cooked
Will vs Verb Infinitives › ViewChoose the correct answer:
We love to _________
A. pizza
B. dance
Phrasal Verb › View
look for sth in an appropriate book/list
A. look up
B. look through
C. look round
D. look over