[ Passive Voice with Modal Verbs ]
. The problem ______ carefully.
A. should consider
B. should be considered
C. should be considering
D. should considered

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Grammar › View___________ kites is his favourite hobby.
A. Fly
B. Flies
C. Flew
D. Flying
Grammar › View
Elaine is _______ the plants with a watering can.
A. showering
B. moisturizing
C. watering
D. soaking
Grammar › ViewThere ___________ some kittens in this box a few minutes ago.
A. is
B. are
C. was
D. were
Subject Verb Agreement › View
Two litters of gasoline ____ needed for this short trip.
A. are
B. is
