[ Tenses ]
______ while the teacher was explaining the activity.
A. They were taking
B. They will be talking
C. They are talking
D. They would talk

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Wh Questions › ViewQ: _____is your teacher ?
A: Mrs. Wanpen is my teacher.
A. What
B. Who
C. When
D. Why
Prepositions of Place and Time › View
They always get together _______ Christmas.
A. in
B. on
C. at
Grammar › ViewA wildlife expert is scheduled to give a talk on the _________ that the factory has had on the surrounding forest.
A. Components
B. Degree
C. Requirements
D. Impact
Verb Tenses › View
Which verb is used to indicate an action or state of being happening in the future?
A. walked
B. moved
C. will
D. shall
