[ Grammar ]
To receive payment, vendors must submit an invoice online … twenty business days of finishing a project.
A. whether
B. whose
C. within
D. while
Select your answer:

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Modals & ConditionalsGrammar ( going to)Future Continuous TenseVocabulary and DefinitionsPossessive NounsPast and Present TensesPast Tense and Perfect TenseMust or Mus notGrammar - to be, possessive, have gotAdverb of ConcessionOther quiz:
Grammar › ViewMy friends __________ I are a team.
A. but
B. and
C. so
D. because
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______ her sickness, she still went to work.
A. Before
B. Therefore
C. First
D. In spite of
