[ Grammar ]
Be quiet! I ……………… (study) for tomorrow´s exam.
A. am study
B. am studying
C. study
D. studies

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Grammar › ViewIn ____ as well as in sciences, students use computers or equivalent devices to do research and write papers.
A. humans
B. humankind
C. humanity
D. humanities
Simple Present Tense › View
Do you do your homework in the evening?
A. Yes, I do
B. Yes, I does