[ 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:
Homonyms › ViewThe workman ___ each brick carefully on the mortar.
a. lays
b. laze
Homonyms › View
Oh, what fun it is to ride in a one-horse open ___.
a. slay
b. sleigh
begin 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
