[ Grammar ]
As I walked down the corridor, I heard someone ____ in one of the classrooms.
A. sing
B. sang
C. sings
D. singing

Random Topics:
Gerunds & Infinitives + VocabularyDistinguishing Future TensesProgressive Perfect and Simple Verb TensesThere is or There areGrammar: Have toQuantifiersTenses StructurePresent Continous TenseModal Verbs and ConjuctionsModals and Modal PerfectsOther quiz:
Vocabulary › ViewYou need to buy this if you want to send a postcard or a letter.
A. a stamp
B. an envelope
C. a letter
D. a suitcase
Vocabulary and Grammar › View
The judge told Todd that if he was a strict __________ to the rules and did what was expected, his sentence could be reduced.
A. sacrilege
B. adherent
C. insoluble
D. inherent
Grammar › ViewYou can __________ take the train ________ bus to Kuala Lumpur.
A. so, but
B. either, or
C. neither, nor
D. either, because
Adjective Clause › View
I played there every day with her daughter, ______________ name was Katy.
A. Which
B. Whose
C. That
D. Whom
