窗口將在 5秒后自動關閉.
a.
拱橋
arch1
vt.
風把樹吹得彎向路面。
vi.
同義參見:
以上來源於：《英漢大辭典》
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單選題
The principal ________ the students cleaning up their campus. He stressed that no trash should be found at any corner of the classrooms.
(A) judged
(B) searched
(C) supervised
(D) separated
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