Grammar Quiz
[ TOEIC Grammar and Vocabulary Review ]

Workers ……………. the chemical laboratory must wear masks and protective clothing.

A. enter

B. entered

C. entering

D. enters

Select your answer:
A  B  C  D  E 

Random Topics:
Transition Words And Phrase Definitions, Synonyms Correlative ConjunctionTOEICDefinite, Indefinite and Zero ArticlesSpellingPossessive Adjectives & Possessive PronounsGrammar-Present Continuous-Sentence MakingTenses Practice

Other quiz: Vocabulary

giving credit for something in the past

A. anguish

B. humiliation

C. buoyancy

D. retroactive

How to use : Read the question carefully, then select one of the answers button.