[ Grammar & Vocabulary ]
What _____ at the moment? Are you busy?
A. do you do
B. you are doing
C. are you doing
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Future Tense VocabularyAdjectives and PrepositionsGrammar - either...or, neither...norModals TensesPast and Perfect TensesPast and Present Continuous tenseModal Verbs and ConditionalsTOEFL GrammarModals of ObligationPast Simple and Past ProgressiveOther quiz:
Modals › ViewYou look tired. You _____ to bed.
A. should go
B. should have gone
Present Tenses › View
Nowadays, people ____ social networks with more and more caution.
A. uses
B. are using
C. used
D. use