[ Present Tenses ]
How long _____ you been studying English?
A. have
B. are
C. do

Random Topics:
Direct Object and Indirect ObjectPresent Tense vs Present ContinuousPassive of Modal VerbsQuantifiers and ArticlesTime ConjunctionsPassive SentenceTAG QuestionsDemonstrative SpeechCoherent Sentence with Correct Grammar StructureFuture Simple TensesOther quiz:
Modals › ViewYou should talk to your doctor first because that diet _____ be dangerous.
A. should
B. must
C. could
D. can
Subject and Verbs Agreement › View
Three fourths of all the money ___ already been spent for this campaign.
A. has
B. have
C. is
D. are
