[ Modals and Responsibilities ]
They are ___ cleaning the classroom.
A. must
B. need to
C. have to
D. responsible for
Select your answer:
Random Topics:
Reporting VerbsAdverbs of How Something is DoneModals and AdviceDefinite and Indefinite ArticleInfinitivesGive, do and makePhrase vs ClauseHave GotAdverbs and AdjectivesPresent Progressive (Future)Other quiz:
Vocabulary & Grammar › ViewIf we didn’t ______ any measures to protect whales, they would disappear forever.
A. use
B. make
C. take
D. do
Vocabulary › View
I stopped at the ______ to refuel my car before embarking on the long road trip across the country.
A. gas station
B. grocery store
C. library
D. movie theater