[ Tenses & Passive ]
This exercise __________ carefully
A. must do
B. must be doing
C. must done
D. must be done
Select your answer:

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Have vs. HasApostrophes and Quotation MarksSimple Present VS Present ContinuousIf ClausesPast Perfect Simple TenseVerb and Sentence StructureAdjective & AdverbSimple and Compound SentencesPresent Simple PassiveOffer and SuggestionOther quiz:
Vocabulary › ViewCriminal behaviour seems to be the ________ in this neighbourhood.
A. consumption
B. norm
C. sector
D. subscription
Grammar › View
Susan ……….. to the office earlier tomorrow morning.
A. Comes
B. Is coming
