i ___to get in touch with the manager for the last two hours but the line is always busy.
i ___to get in touch with the manager for the last two hours but the line is always busy.
A tried B have tried C had tried D have been trying
the answer is D,tell me why
A tried B have tried C had tried D have been trying
the answer is D,tell me why
英語(yǔ)人氣：247 ℃時(shí)間：2020-04-12 14:46:20
優(yōu)質(zhì)解答
句義 在最近的兩個(gè)小時(shí)里,我一直試圖和經(jīng)理取得聯(lián)系,但總是占線.表示“從過(guò)去某時(shí)開(kāi)始到現(xiàn)在為止一直持續(xù)做某事”應(yīng)當(dāng)用現(xiàn)在完成進(jìn)行時(shí).eg The rain has been pouring for five hours.It has been windy for a month...
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