應(yīng)該是選C.
理由：before引導(dǎo)時(shí)間狀語(yǔ)從句.考到狀語(yǔ)從句,就要看全句的意思.該句的意思為：你為什么不努力趕上公車呢?-我試了,但是在我能（趕上它）之前,它開(kāi)始開(kāi)走了.
如果選B,那么意思為：當(dāng)我能趕上它的時(shí)候,顯然句意不通.選A,直到能趕上它的時(shí)候,顯然句意不通；選D,在我能趕上它之后,也不對(duì).
不懂的話繼續(xù)聯(lián)系.
-why didn't you try to get on the bus?_I tried to.but __I could ,it started to move.
-why didn't you try to get on the bus?_I tried to.but __I could ,it started to move.
A.until B.when C.before D.afte(請(qǐng)說(shuō)明一下理由,特別是B和C兩個(gè)選項(xiàng),
我就是不太理解為什么選C
A.until B.when C.before D.afte(請(qǐng)說(shuō)明一下理由,特別是B和C兩個(gè)選項(xiàng),
我就是不太理解為什么選C
英語(yǔ)人氣：366 ℃時(shí)間：2019-12-16 10:18:14
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