People have enjoyed going to the theater to watch plays for centuries－the first theaters _____ about 2,500 years ago.
Abuild
Bwere built正確答案
Chave been built
Dhad been building
答案與詳解
為什麼答案是 B
were built 為過去式被動語態，符合「2500 年前劇院被建造」的語意，ago 是過去式的明顯標記詞。
考點：時態/語態錯誤考點：過去被動考點：完成式誤用
載入中…
