[ 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:
Grammar › ViewWhat do you like doing?
A. I like play basketball.
B. I like to playing basketball.
C. I like playing basketball.
Vocabulary › View
Which word would best describe a calm and peaceful environment?
A. frenzy
B. tranquil
C. ominous
D. vigor
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
