[ 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:
Present Perfect Tense › ViewI have read two books ___________________ the weekend. (Now, it is Friday.)
A. For
B. Since
Grammar › View
Sasha’asent hobbies include jogging, swimming, and __________.
A. To climb mountains
B. Climb mountains
C. To climb
D. Climbing mountains
Complete 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
