選D
句子的意思是 我在飛機(jī)起飛之前到達(dá)了機(jī)場(chǎng).所以用before,在...以前.
I arrived at the airport ____ the plane had taken off． A.after B．while C．when D．before
I arrived at the airport ____ the plane had taken off． A.after B．while C．when D．before
英語(yǔ)人氣：119 ℃時(shí)間：2019-08-21 00:43:00
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