People should set off fireworks only in ______ areas and stay away from flammable sites like gas stations for safety.
Acomplicated
Bprecarious
Cdesignated正確答案
Dautomatic
答案與詳解
為什麼答案是 C
designated 意為『指定的』，designated areas 為常見固定用法，指『指定區域』，完全符合題意與安全規範。
載入中…
