来自刘瑞成的问题
I_________(feed)mypetdogwhenmymothercamebackyesterdayafternoon.写出理由,
I_________(feed)mypetdogwhenmymothercamebackyesterdayafternoon.写出理由,
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2020-09-20 18:03
I_________(feed)mypetdogwhenmymothercamebackyesterdayafternoon.写出理由,
I_________(feed)mypetdogwhenmymothercamebackyesterdayafternoon.写出理由,
wasfeeding过去进行时用于过去的一个时间里正在进行着的动作,这句:妈妈昨天下午回来时我正在给我的宠物狗喂食.