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Listen! Our science teacher _____the use of the robot.

2025-09-17
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A.explains
B.explained
C.is explaining
D.has explained
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A.when we visited the Capital Museum
B.when did we visit the Capital Museum
C.when we will visit the Capital Museum
D.when will we visit the Capital Museum
A.enjoyed
B.enjoy
C.were enjoyed
D.are enjoyed
A.learns
B.was learning
C.has learned
D.will learn