[ Passive and Active Sentences ]
The hens revolt because their eggs … to humans.
A. must be sold
B. must be selling
C. must sell

Random Topics:
Essential and Nonessential ClausesHow many / How much - Is there / Are thereModal Verbs - ObligationModal Verbs of Certainty and PossibilityPassive Modals in Different TensesTenses and Verb FormsSimple Present and Past TenseConjunctions & Cohesive DevicesThird ConditionalPast Perfect Simple & Past Perfect ContinuousOther quiz:
Grammar › ViewThe giraffe ___________ animal in the world
A. is the taller
B. are the taller
C. is the tallest
D. are the tallest
Grammar › View
Choose the correct form of the verb: She (sing/sang) beautifully at the concert.
A. Sing
B. Sang
Grammar & Vocabulary › ViewYeah. He has accused us ___ his emails
A. ignore
B. of ignoring
C. to ignore
Grammar › View
If you need to reach us, we ____ at the Fairmont Hotel that time.
A. will be staying
B. stay
C. have stayed
D. will stay
