21. George has to stay at his friend’s place because his apartment _____ now.
(A) is being remodeled
(B) remodeled
(C) remodeling
(D) has been remodeled
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統計: A(502), B(33), C(39), D(109), E(0) #2298659
統計: A(502), B(33), C(39), D(109), E(0) #2298659