[ Conjunctions - Conjunctive Adverbs ]
Adam’s boss taught him ____ when to be stubborn and when to step back and quietly observe the situation at meetings with partner companies.
A. either
B. not only
C. whether
D. both

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Modal Verbs & Reflexive PronounsWill vs Verb InfinitivesTo Infinitive/Bare Infinitive/GerundsModal RequestsGrammar and StructureDegrees of ComparisonModal, Causative Verb & Elliptical StructureAdverbs or AdjectivesGrammar of Conjunctions and PrepotitionsPresent Forms and Narrative TensesOther quiz:
Grammar › ViewThey _____ at this conference for the last two days.
A. have been
B. were
C. are
D. be
Grammar › View
Which of the following nouns is a thing?
A. Doctor
B. Pencil
C. Park
D. Teacher
Present Tenses › ViewMy mom (NOT FINISH) ___________ the book she (START) _______ reading a few days ago.
A. hasn’t finished / starts
B. hasn’t finished / started
C. hasn’t been finishing / starts
D. hasn’t been finishing / started
Grammar › View
Have you finish ____________homework?
A. to do
B. doing
C. do
D. A and B are correct
