介詞 by 后面的賓語各種各樣,加 a/an 表達“一個”毫無問題啊,比如：
The following program will be presented by a group of well known scientists.一群著名科學家
This film is directed by an American.一個美國人那就是by加交通工具時不加a了？by 后面加不加 a 要視情況由語境來定的，無法一概而論。你指的是交通方式， 不是工具；有些句子的意思即便是by 后面是 car，train 這些也仍然要加的，關鍵在于前面的動詞是什么。比如：His sister was hit by a car yesterday morning.他姐姐昨天早上被一部車給撞了。We will be going to Shanghai by train.這種自然不加，指的是用什么方式...
by a passing plane,和by a knock at the door
by a passing plane,和by a knock at the door
1.he strated to complainthis wicked world but was interrupted by a knock at the door.2.i think this house must be koncked down by a passing plane為什么加a不是by后不加a嗎?
1.he strated to complainthis wicked world but was interrupted by a knock at the door.2.i think this house must be koncked down by a passing plane為什么加a不是by后不加a嗎?
英語人氣：998 ℃時間：2020-02-01 07:18:34
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