[ Phrasal Verb ]
Choose the correct sentence in a classroom setting.
A. During the lecture, the professor would often call upon students to answer questions.
B. The student would call upon the librarian to help with research.
C. The students were asked to call upon the tutor for guidance.
D. The team decided to call upon a new project management strategy.

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Grammar › ViewThe students were tired. They … hard all the morning.
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The flowers _______ by my older brother every day.
A. have been watering
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