[ TOEIC Grammar and Vocabulary Review ]
Workers ……………. the chemical laboratory must wear masks and protective clothing.
A. enter
B. entered
C. entering
D. enters

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Tenses - AuxiliariesVerbs – Nouns – Adjectives - AdverbsTenses and Time MarkersPast Perfect and Past Perfect Continuous TenseTenses and ConclusionsPhrasal Verbs with up and downPast Simple TenseVerb PatternsPassive Voice and ModalsIntermediate GrammarOther quiz:
Grammar › ViewA. I put SOME bananas in the basket
B. I put EVERY banana in the basket
C. I pun NO bananas in the basket
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……………………………………………..is the economy of individuals, not the government.
A. Infrastructure
B. Private sector
C. Commercial
D. Residential
Grammar › ViewThe police already use robots to do jobs that are dangerous ………….…… humans.
A. of
B. for
C. to
D. on
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… sugar you would like in your tea?
A. How
B. How much
C. How many
