[ Grammar-Verbs & Nouns Singular, Plural, Gender ]
You are working very hard on this material.
A. action verb
B. helping verb
C. linking verb

Random Topics:
Modals of ObligationGrammar & VocabConjunctivesPast ParticiplesNoun Verb AgreementComparison of Adjectives and AdverbsPresent/Future/Past Simple/Present PerfectGerund after Prepositions and Certain VerbsPrepositionSentences and Non SentencesOther quiz:
Modals of Obligation › ViewTeachers _______________ check their social networks while they are teaching. They will get in trouble!
A. can
B. should
C. don’t have to
D. can’t
Subject Verb Agreement › View
Each of the messages on the answering machine (is, are) for Dody.
A. is
B. are
Modals › ViewComplete each dialog with the appropriate modal verb.
A: ___________ we use our notes during the test?
A. May
B. Are we
Past Modals › View
John ____________________________have called Amy, but he didn’t have her number. (past obligation)
A. must
B. could
C. should
D. may
