[ Grammar ]
The safety officer warned the employees ______ protective gear when handling hazardous materials.
A. to wear
B. wearing
C. wear
D. worn

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Infinitives or GerundsConditionalPassive Voice in Past Simple TenseGrammar (Possessive Pronouns)Question tag and + - AgreementPrepositions and ConjunctionsParticiple Clauses & Cleft SentencesPresent Simple vs Past SimpleAction, Helping & Linking VerbsPresent Tenses and VocabularyOther quiz:
Tenses › ViewWho was the first woman to win a Nobel Prize (in 1903)?
A. Mary Curie
B. Cleopatra
C. Adele
D. Sandra Bullock
Grammar › View
Tom and his family had ____________ exciting holiday last December.
A. a
B. an
C. the
D. many
Grammar › ViewSomeone _________ the coffee.
A. Has finished
B. Has been finishing
Present Continuous Tense › View
I _____ my dinner right now.
A. eat
B. eating
C. am eating
D. eats
