[ Verb Tenses (Progressive, Perfect) ]
Most teachers have notified the office about any problems in their classrooms.
A. present perfect
B. past perfect
C. future perfect

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Tenses › ViewWhere ____ she _____(live)?
A. does ___ live
B. do ____ live
C. did ____ lived
D. will ____ lived
Possessive Pronouns › View
Is this blue pen_______? Someone has mixed it up with ______.
A. your/mine
B. yours/my
C. yours/mine
D. your/my