Grammar Quiz
[ Possessive Nouns with Apostrophes and Pronouns ]

Which of the following uses a possessive noun correctly?

A. The atom’s electrons are negatively charged.

B. The atoms electrons are negatively charged.

C. The atoms’ electrons are negatively charged.

D. The atom electrons are negatively charged.

Select your answer:
A  B  C  D  E 


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Gerund Subject or ObjectRelative & ModalsPast Perfect or Past Perfect ContinuousRelative Clauses beginning with PrepositionsGrammar - must & have toPresent Simple QuestionsIf ClausesConjunction: Because and SoPast Perfect and Past Perfect ContinuousAdjectives vs Adverbs

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You did well on the exams. You _____________ (study) a lot.

A. shouldn’t have studied

B. needn’t have studied

C. can’t have studied

D. must have studied

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I usually ___________ my bags about an hour before I go on holiday. I hate doing it.

A. have

B. make

C. plan

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The _______ zoo in Europe is in Berlin. There are about 3 million visitors every year.

A. busiest

B. busier

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Synonyms and Vocabulary › View

We must sustain this level of performance.
What is the best synonym of the bolded word?

A. decrease

B. maintain

C. reduce

D. lower

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