[ Simple Present Tense ]
Karla and Juan ____ very good friends.
A. is
B. are
C. am
D. be

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Articles & Compound NounsHas Got & Have GotModal Verbs - ObligationNouns FormationPassive Voice Active VoiceModal Auxiliaries and Similar ExpressionsGrammar and PrepositionsActive & Passive VoicePresent Simple Tense PassiveContinuous TensesOther quiz:
Grammar › ViewI __________some elephants. I ___________ any lions. (see / not see).
A. Saw /didn’t see
B. See / don’t saw
C. Saw /did saw
D. Saw / not see
Tenses › View
I … every day for the last year.
A. exercise
B. am exercising
C. have been exercising
D. will be exercising
Phrasal Verbs › ViewWe don’t know why she continues ______ all of our invitations to dinner.
A. turning down
B. passing down
C. closing down
D. looking down
Grammar › View
You look tired. How long ___ you ___ game?
A. have you been playing
B. have you played
C. had you played
D. did you play