作业帮英语选择题The little girl ___ her cup a moment ago,but luckily it wasn`t brokjen.A dropped B is dropping C had dropped D was dropping答案+理由
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英语选择题The little girl ___ her cup a moment ago,but luckily it wasn`t brokjen.A dropped B is dropping C had dropped D was dropping答案+理由
英语选择题The little girl ___ her cup a moment ago,but luckily it wasn`t brokjen.A dropped B is dropping C had dropped D was dropping答案+理由
英语选择题The little girl ___ her cup a moment ago,but luckily it wasn`t brokjen.A dropped B is dropping C had dropped D was dropping答案+理由
选A.因为a moment ago是一个过去的时间,一般用过去时.
答案：C
理由：从it wasn`t broken可以看出“杯子没碎”这一事件发生在过去；而“杯子落下”发生在“杯子没碎”之前，所以是过去的过去, 用过去完成时态，只有C选项符合。
C 过去完成时表过去亦表完成
C 杯子掉落 发生在 杯子没碎之前 所以应该是过去完成时
英语选择题The little girl ___ her cup a moment ago,but luckily it wasn`t broken.
A dropped B is dropping C had dropped D was dropping答案+理由 谢谢。
答：A
译：那小女孩刚才不小心茶杯掉地上了，不过很幸运，茶杯没打碎。
析：主句中的...
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英语选择题The little girl ___ her cup a moment ago,but luckily it wasn`t broken.
A dropped B is dropping C had dropped D was dropping答案+理由 谢谢。
答：A
译：那小女孩刚才不小心茶杯掉地上了，不过很幸运，茶杯没打碎。
析：主句中的drop 为及物动词，意为： allow (sth) to fall (by accident) ; 使（某物）（意外地）落下 如： Don't drop that or it'll break! 别弄掉了, 不然会摔破的.
时间状语为a moment ago, 为过去时间，所以用一般过去时。
楼上的“C 杯子掉落 发生在 杯子没碎之前 所以应该是过去完成时 ”之说，犯了两个错误：
1. 逻辑错误：没碎之前掉落，则说明掉落之后碎了，与事实不符。
2. 两(几）个动作（情况）都发生在过去，不是同时发生的，有明确的过去时间状语，或按时间顺序表述，不一定需要用过去完成时，如：He got up at six o'clock while his brother got up at seven o'clock. He got up, put on his coat and went out.
何况这句中，第一个是动作，第二句是状态，并不是动作。
注 意：过去完成时一定要以过去的某个时间作参照，表示在这之前已经发生了的动作或存在的情况如：
The little girl had (already) dropped her cup before I had time to tell her to be careful.
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选A a moment ago 一般过去时态时间状语标准，只要有ago的，一般都选一般过去时态