[ Passive Voice with Modal Verbs ]
. All assignments ______ before the deadline.
A. must submit
B. must be submitting
C. must be submitted
D. must submitted
Select your answer:

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Grammar › ViewFill in the correct collective nouns :
A ______ of stairs
A. Flight
B. Pack
C. Sequence
D. Galaxy
Tenses of Verbs › View
Sam and Erin have just arrived at the party.
A. simple
B. perfect
C. progressive
