[ Grammar ]
Helen ______ (work) very hard.
A. works
B. work
C. working

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Tenses and Time MarkersArticles with SubstancesPast Simple vs Past ContinuousAsking & Giving OpinionHave to / Do not have toVocab CheckingComparatives, Superlatives, and ModalsIdiomsConjunctivesAuxiliary Verbs (be, do, have)Other quiz:
Vocabulary › ViewSkis should be kept parallel if skiers don’t want to ________ from the tracks in the snow.(deviation)
A. deviated
B. deviate
C. deviation
D. indevotion
Present Perfect and Simple Past Tense › View
They_______ (not/be) happy five years ago.
A. weren’t
B. wasn’t
C. isn’t
D. aren’t