30.Bonnie signed up __________ dancing classes in the Extension Program.
(A) on
(B) in
(C) for
(D) about

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統計： A(2), B(8), C(46), D(1), E(0) #666710

詳解 (共 1 筆)

Leezer Chen

B1 · 2019/12/14

#3710086

30.Bonnie signed up ...

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