Dreye權威釋義|contaminate

contaminate

KK:[kǝnˈtæmǝˌnеt] DJ:[kǝnˈtæminеit]

動變: 過去式:contaminated 過去分詞:contaminated 現在進行時:contaminating

權威釋義

閱讀Part1

The old detergents remove lead-contaminated dust from household surface just as effectively as ______ that have just come on the market.

(A) these

(B) those

(D) it

對答案