[ 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:
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Other quiz:
Subject Verb Agreement › ViewThe nurses at the hospital _______ extremely caring.
A. is
B. are
h omophones › View
Will you go _____ the store with me?
A. To
B. Too
C. Two
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