(選錯) 46. The ( A )first global pollution convention ( B )was held in Hong Kong and it ( C )was attended by scientists from ( D )over the world. 

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統計： A(8), B(8), C(12), D(60), E(0) #487332

詳解 (共 2 筆)

#827241
from all over the world
4
0
#819202
請問這題要怎麼改?
0
0