[ Present Perfect Continuous Tense ]
How long …… ? Since I was twenty years old. (drive)
A. are you driving
B. are not driving
C. have you been driving
D. have not you been driving

Random Topics:
Indirect SpeechConditional ClauseCountable - UncountableVerb Tenses and UsageComparison and ModalsGrammar Present Perfect (ever never)Future Tense VerbPresent TenseConditionals and Modal VerbsTenses PracticeOther quiz:
Grammar › ViewWhen I was younger, I ___ run quite fast.
A. can
B. was able to
Modal Verbs › View
The office _________ at 9 AM every weekday.
A. will open
B. is going to open
C. opens
D. is opening
Grammar and Vocabulary › View_____ quite truthful with you, the meal you made was too awful _____.
A. To have been/to eat
B. To be/to be eating
C. Being/eat
D. To be/to have eaten
E. To be/to be eaten
Grammar › View
She runs …… because she should ……. for the tournament.
A. fastly, practices
B. fast, practices
C. fast, practice
D. fastly, practice