[ Grammar ]
Why ______ we doing this exercise now? It’s so boring.
A. are
B. is
C. have
D. aren’t

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Linking VerbWill vs be going toDefinite pronouns (Subject, Object, Reflexive)Dependent ClausesPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousInfinitiveModal Verbs for Permission and ObligationConjunctivesModals VerbPresent Perfect Simple & ContinuousOther quiz:
Grammar › ViewDid you just ______ me a liar?
A. call
B. called
C. have called
D. calls
Adverb of Frequency and Past Continuous Tense › View
As long as one group….dinner, the others were collecting woods for fire.
A. Was preparing
B. Is preparing
C. Preparing
D. Prepare
Pronouns and Antecedents › ViewEvery one of the actresses knows (her, their) part by heart.
A. her
B. their
Subject Verb Agreement › View
The students ___ (is/are) ready for the exam.
A. is
B. are