21. Not only the audience but also the speaker _____ to take a break after a two-hour, non-stop workshop in
the computer room.
(A) is need
(B) is needed
(C) needs
(D) has need
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統計: A(12), B(18), C(124), D(24), E(0) #2406761
統計: A(12), B(18), C(124), D(24), E(0) #2406761