My train arrives in Beijing at eight o’clock tonight. The plane I would like to take from there _______ by then.
A.has leftB.will have leftC.will leaveD.had left
B

試題分析:考查時(shí)態(tài)。本題的關(guān)鍵詞是by,該詞常常與完成時(shí)連用,如果后接過(guò)去的時(shí)間,就用過(guò)去完成時(shí);如果后面接現(xiàn)在的時(shí)間,就使用現(xiàn)在完成時(shí);如果后面接將來(lái)的時(shí)間,就使用將來(lái)完成時(shí)。句意:到今晚八點(diǎn)我要乘坐的飛機(jī)將已經(jīng)起飛離開(kāi)了。本句中的then就是指今晚八點(diǎn),這是一個(gè)將來(lái)的時(shí)間,所以與將來(lái)時(shí)完成時(shí)連用。故B正確。
點(diǎn)評(píng):連詞by到…時(shí)為止;該詞經(jīng)常與完成時(shí)連用,如果后面是現(xiàn)在的時(shí)間,句中就使用現(xiàn)在完成時(shí);如果后面是過(guò)去的時(shí)間,就使用過(guò)去完成時(shí);如果后面是將來(lái)的時(shí)間,就使用將來(lái)完成時(shí)。
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