单项选择题

Sandra's method proved to be ______ in handling multiple tasks at once.

(A) efficiency
(B) efficiencies
(C) efficient
(D) efficiently
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单项选择题
Hellfire director Steve Brock won a National Film Commission Award, and ______ did the film's main actor, May Hong.
(A) same
(B) either
(C) so
(D) too
单项选择题
Anyone planning to ______ in this workshop should contact Jenny Forbes at 021-555-908 before June 2.
(A) participate
(B) attend
(C) register
(D) complete
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