[ Tenses ]
They were singing because they……………
A. have been winning
B. win a prize
C. had won a prize

Random Topics:
Noun / PronounPresent Perfect: for/sinceAdverbs of How Something is DoneTenses and PronounsPreposition of PlacePresent Simple for Future ArrangementPast Simple, Past Continuous, Past PerfectRegular and Irregular VerbsPast Simple and Past ContinuousPast PassiveOther quiz:
Vocabulary › ViewIn order to give the best results for students, teachers must come up with an effective ___________.
A. economy
B. operation
C. laptop
D. strategy
Adjective vs Adverb › View
Cross the road _______.
A. careful
B. carefully
Grammar › View______ can’t you meet me tonight? I have to work.
A. When
B. Why
C. Who
D. Where
Tenses › View
The ecology class ____ a field trip next Saturday.
A. will take
B. took
C. takes
D. is taking
