[ Passive Voice ]
Why are the students staying outside?
Their classroom …
A. is being cleaned
B. being cleaned
C. was cleaned
D. is cleaning

Random Topics:
Gerunds as Objects of PrepositionsIELTS GrammarObject PronounReported - GerundModals and ResponsibilitiesSubject Verb Agreement Irregular VerbWishesConditional Sentences and AdverbsFuture Continuous TenseModal AuxiliaryOther quiz:
Simple Past Tense › ViewWhat is the past tense of “see”?
A. Said
B. Saw
C. Seed
D. Seeing
Grammar and Vocabulary › View
Michelle ________ me an email yesterday.
A. didn’t sent
B. didn’t send
C. send
Phrasal Verb › Viewbegin working hard
A. Set on
B. Set to
C. set off/out
D. set up
Grammar › View
If she _____ in the Olympics, we’ll be very proud of her.
A. will compete
B. competes
