[ 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:
Random Topics:
Simple Present - Negative & InterrogativeLinking Verbs and TensesAction vs Linking Verbs/ Verb PhrasesSimple vs Present Continuous TensesGrammar (either..or.. and neither..nor..)HomophonesAdjective SuffixesMust / must notSuperlativesOther quiz:
Adjectives and Adverbs › ViewThomas is very _____. He always helps me.
A. kind
B. kindly
Be going to / Will › View
I hope I ________ travel around the world when I am older.
A. am going to
B. will