複選題
26. The world-famous player has practiced _____ for at least four hour every day.
(A) tennis
(B) play tennis
(C) to play tennis
(D) playing tennis
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統計: A(632), B(87), C(310), D(750), E(1) #2818042
統計: A(632), B(87), C(310), D(750), E(1) #2818042