China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats fromin the South China Sea.
A. | attacking | B. | having attacked | C. | being attacked | D. | having been attacked |
相关知识点
推荐套卷
China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats fromin the South China Sea.
A. | attacking | B. | having attacked | C. | being attacked | D. | having been attacked |