[ Grammar ]
The audience were laughing when the clowns __________ (perform).
A. are performing
B. were performing
C. performing
D. perform

Random Topics:
Future - will / going to / present continuousFuture Tenses, Conditionals and ProfessionsRoot WordSimple Past vs Past Continuous TenseFirst Conditional, Future Time ClausesQuantifiers & Modal VerbsModal Verbs of ObligationDEGREE COMPARISONActive and Passive Gerunds and InfinitivesTenses and StructureOther quiz:
Tenses › ViewObama: How long have you worked in this company? Nora: On May 1, I … here for 4 years. Obama: That’s a long time.
A. Will work
B. Will be working
C. Will have worked
D. Will have been working
Vocabulary and Grammar › View
They are building a nuclear ___________ near my town.
A. factory
B. station
C. power plant
D. industry
Grammar › ViewMs. Wayne made an _____mistake during the presentation for the executives.
A. embarrass
B. embarrassed
C. to embarrass
D. embarrassing
Grammar › View
____________ the rain, she walked to the station.
A. Despite
B. Although
