[ Grammar ]
Fill the blank with suitable preposition
I have been working hard …….. arithmetic.
A. on
B. at
C. for
Select your answer:

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Homophone & HomonymPassive Modals in Different TensesModals "Should"Have vs. HasEs and SBe going to / WillCoherent Sentence with Correct Grammar StructureModals of ObligationPrepositions of Time, Place, and MovementPronounOther quiz:
Tenses and Comparisons › ViewHey there, Faisal and Wawan! Let’s have some fun with words! What is the comparative form of the adjective ‘big’?
A. biggerer
B. biggest
C. bigly
D. bigger
Tenses › View
By next year, they will have moved to Canada.
A. Future Perfect
B. Future with “will”
C. Present Perfect
D. Past Perfect
