4. The teacher _______ her young students in class by using songs, chants, and funny stories.
(A) surveyed
(B) honed
(C) engaged
(D) accumulate
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統計: A(19), B(30), C(144), D(28), E(0) #1836623
統計: A(19), B(30), C(144), D(28), E(0) #1836623