30. Some students prefer a stricter teacher who tells exactly what to do; others prefer to leave to work on their own.
(A)a stricter
(B)others
(C)to leave
(D)on their own
(E)No error
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統計: A(3), B(3), C(19), D(6), E(8) #1787005
統計: A(3), B(3), C(19), D(6), E(8) #1787005