2. The hot days in June were a ___ to summer floods that were sure to come.
(A) precursor
(B) pedestrian
(C) impediment
(D) expedient

答案：登入後查看
統計： A(261), B(6), C(33), D(25), E(0) #356735

詳解 (共 1 筆)

#408365


 (A) precursor     前兆

 (B) pedestrian   徒步的

 (C) impediment 阻礙

 (D) expedient    方便的

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