[ Tenses ]
Why ____ you ________? What’s so funny?
A. are – laughing
B. is – laughing
C. do – laughing
D. does – laughing

Random Topics:
For vs SincePresent Progressive TenseExclamationSimple Present vs Present ProgresivePresent Perfect TenseTenses UsageSubordinate ConjunctionsTemporal Conjunctions and ConnectivesSubject/Verb Agreement with Collective NounsGrammar Past and Future TenseOther quiz:
Modal Verbs › View. If your homework is done, you … go for a walk.
A. cannot
B. could
C. must
D. may
Grammar › View
The police are sure they ___ the thief by Sunday.
A. have arrested
B. going to arrest
C. will be arresting
D. will have arrested
Grammar › ViewVocabulary.
戴資穎 is the most famous _________ badminton player in Taiwan.
A. historian
B. clue
C. farmer
D. international
Grammar and Vocabulary › View
Are you ________ it’s the sixth today?
A. definitely
B. sure
C. think
