[ Modal and Auxiliary Verbs ]
They ____________ cleaning the classroom.
A. is
B. are
C. am

Random Topics:
Giving and Asking for AbilityReported SpeechSimple and Continuous Present TenseAdjectives and AdverbsPreposition FormGerund & InfinitivesParts of Speech and Compound SentencesModal Verbs and ConjuctionsPast Continuous vs Past SimpleAuxiliary Verbs (be, do, have)Other quiz:
Prepositions of Time › View________ Tuesday morning.
A. in
B. on
C. at
Grammar › View
Which of the following is a noun?
A. pumpkin
B. active
C. listen
D. beautiful
Passive Voice › ViewActive : This surprises me.
Passive : I…………………by this.
A. was surprised
B. am surprised
C. would have been surprised
D. will be surprised
Conjunctions › View
Portia tried to call Angela, __________ nobody picked the phone.
A. And
B. But
C. So
D. Because