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Auxiliary Verbs (be, do, have)Modal Verbs and PermissionGrammar ClausesPresent Perfect Simple & Present Perfect ContinuousGrammar - TOEICMixed ConditionalsModals of PredictionGrammar / PronounsTypes of SentencesConditional ClauseOther quiz:
Vocabulary › Viewto allow (something that is considered wrong) to continue
A. Plight
B. Obstinately
C. Incredulously
D. Condone
Conjunctions - Conjunctive Adverbs › View
All workers must be equipped with safety devices such as helmets ____ entering the construction site.
A. about
B. during
C. from
D. before