49. The students were busy_______ for parts in the school play.
(A) audition
(B) to audition
(C) auditioning
(D) auditioned
詳解 (共 3 筆)
未解鎖
(考文法) The students ...
未解鎖
be busy (in) +ving 忙...
未解鎖
The children are bus...
私人筆記 (共 1 筆)
未解鎖
auditionnoun [ C ]a ...
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