[ Tenses ]
What are you doing? – I ______
A. study
B. am studying
C. are studying
D. am studing

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Noun, Adjective, and Adverb ClausesTime ClauseVerb + PrepositionGrammar and Passive VoiceTOEIC GrammarModals and PrepositionCan, Could, May, MightCommunicative GrammarComparatives and SuperlativesPresent Perfect and Past SimpleOther quiz:
Grammar › ViewThe book cover is made of leather. __________ is very expensive.
A. There
B. It
C. The
D. He
Grammar › View
Identify the coordinating conjunction: Mrs. Nelson, Mrs. Booth, and Mrs. Miller are all language arts teachers.
A. all
B. are
C. and
