阿摩線上測驗
2. Wang Guan-hong (王冠閎), Taiwan's "Butterfly King," began his swimming journey in the third grade when he _______ the school's swimming team.
(A) blocked
(B) joined
(C) pulled
(D) rented
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統計： A(0), B(3), C(0), D(0), E(0) #3873648
統計： A(0), B(3), C(0), D(0), E(0) #3873648
