[ 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:
Simple Present Tense › ViewFred and Amy ____ very well.
A. dance
B. have
C. dances
D. often
Grammar & Vocabulary › View
After she had returned home, she ____ herself a good dinner.
A. has cooked
B. cooks
C. cooked
D. is cooking
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