[ Vocabulary ]
Which word means a single organism?
A. individual
B. species
C. mate
D. traits

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Past Simple and Past Continuous TensesPreposition after some VerbsPast Simple, Past Continuous, Past PerfectUnscramble SentenceFirst Conditional SentenceAdverb of Frequency and Past Continuous TensePassive Voice - Present Simple and Past SimpleFuture Tense VerbVerb FormsIndefinite and Reflexive PronounsOther quiz:
Adverbial Clauses › ViewHenry will certainly have finished his project ______ our voluntary campaign this summer.
A. when he joins
B. by the time he joined
C. while he is joining
D. as soon as he will join
Modal Verbs › View
Mark __________ride a bike when he was three years old.
A. could
B. can
C. might
D. must