[ Tenses ]
By Saturday _____ on my essay for ten days.
A. will have been working
B. will have worked
C. will work
D. will be working

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Past and Present Continuous tensePresent Perfect or Past Simple TenseInfinitives and ING FormsIn/On/At + TimeBasic TensesSubordination ConjunctionsPast Simple or Past ContinuousPresent, Past, and Future TimePresent Perfect & Past Simple TenseDefinite and Indefinite ArticlesOther quiz:
Modal Verbs › View“You ___ finish your homework before playing video games.”
A. can
B. must
C. could
D. may
Grammar › View
A spider is not _____ insect.
A. a
B. an
C. the
D. –