[ Present Simple Tense ]
Listen! they (sing) in the classroom?
A. Listen! Do they sing in the classroom?
B. Listen! Are they sing in the classroom?
C. Listen! Does they sing in the classroom?
D. Listen! Is they sing in the classroom?

Random Topics:
Subordinating ConjunctionsConditionals Type IGrammar, Conditional Sentences, VocabularyPrepositions of Time and PlaceGrammar & VocabularyPunctuationFuture FormsGrammar (either..or.. and neither..nor..)Indefinite and Reflexive PronounsPossessive Adjectives & Possessive PronounsOther quiz:
Vocabulary › ViewObservations involving numbers and units
A. measurement
B. microscopic
Vocabulary › View
humble; not boastful
A. scurry
B. warily
C. modest
D. sternly
Definitions, Synonyms › ViewIntractable
A. Refractory
B. Intervene
C. Illicit
D. Quaint
Conjunction › View
I’ve just eaten dinner _____ I’m not hungry.
A. but
B. or
C. yet
D. so
