[ Tenses ]
– Where is Mary?
– She’s ________ aerobics now. Don’t bother her.
A. going
B. playing
C. doing

Random Topics:
Past Perfect and Past Perfect ContinuousPast Simple Negative & QuestionsArticle & PrepositionConjunctionsLinking Verbs and TensesGrammar (was, were, could, could not)Grammar (want to/ need to/ have to)Should, Should not haveTag QuestionPrepositions after VerbsOther quiz:
Modal Verbs › ViewWhich of the following sentences expresses a possibility?
A. You must finish your homework.
B. I might go to the party.
C. You don’t have to worry.
D. You can’t be serious.
Prepositions › View
Please take ______ your shoes before entering the house.
A. off
B. down
C. out of
D. through
Vocabulary › Viewto give up possession or surrender
A. yearn
B. yield
C. worthy
D. yacht
Grammar › View
What _____ you prefer: tea or coffee?
A. could
B. should
C. would
D. wouldn’t
