( )21. This dog will bite you, ________ we need to be careful.
(A) if
(B) before
(C) so
(D) after
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統計: A(3), B(4), C(142), D(2), E(0) #369632
統計: A(3), B(4), C(142), D(2), E(0) #369632
詳解 (共 1 筆)
#971079
C
1
0