8. It is ________ to feel nervous when we do public speaking for the first time.
(A)private
(B)sorrowful
(C)isolated
(D)normal
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統計: A(32), B(53), C(20), D(591), E(0) #3076079
統計: A(32), B(53), C(20), D(591), E(0) #3076079