还有一个：bought presents的原形

还有一个：bought presents的原形 求bought presents的音标 bought的原形是什么 bought的动词原形 bought presents是什么意思? bought presents 怎样读 bought presents音标 bought presents怎么读? amy bought simon some presents的同义句是 were和bought的过去式原形是什么?急用! 原形is过去式?原形d0过去式?原形Visit过去式?过去式Were原形?过去式ate原形?过去式bought原形?原形 fell,lost,found,left,told,sent,spent,bought,slept的原形是什么?