[ Passive Voice ]
These curtains are so dirty. They must ____ .
A. be cleaned
B. clean
C. cleaned

Random Topics:
Who vs WhomPast ContinuousAuxiliary Verbs & Question TagsModals for ObligationSimple Present Continuous TenseSecond ConditionalAdjective + to + VerbPassive Modals in Different TensesModals - Conditionals - Future TensesPreposition FormOther quiz:
Employment Vocabulary › Viewa person who can provide information about your character and abilities when you apply for a job.
A. sales manager
B. reference
C. accountant
D. nursery assistant
Adjective › View
He is very ______ when he starts telling anecdotes everybody knows.
a. tiring
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Tenses › ViewThe service center ____ vehicles right now, during the busiest hour.
A. is repairing
B. repaired
C. repairs
D. will repair
Sentence Structure › View
Yadriel went to the beach, ___ he learned to surf.
A. or
B. and
C. but
D. for
