i saw a car___a big tree yesterdayA:knock at B:knocked at C:knocking at D:to konck at应该选哪个?为什么?

i saw a car___a big tree yesterdayA:knock at B:knocked at C:knocking at D:to konck at应该选哪个?为什么? i saw a saw saw a saw. i saw a saw saw a I never saw a saw saw a I saw a saw swa a saw. i saw a man saw a saw with a saw I saw a big bear in the zoo yesterday afternoon. 对划线部分（a big bear)提问 趣味翻译 I saw a saw saw a saw I saw a saw saw a saw的中文意思 I have never saw a saw saw a saw是什么意思? 翻译,先到先得.I saw a saw saw a saw. I never saw a saw saw a saw.. 英译汉I saw a saw saw a saw 求英语作文《A film i saw》喜羊羊与灰太狼“happy sheep and big wolf ” I saw Mary.Mary was reading under a big tree.合并为一句 I'm a big big I'm a big big I saw a big black dog when I came inWhen 引导的时间壮语从句,主句什么时候用过去式.