题目内容：

he lives in a ______(two room)house填什么?
he lives in a ______(two room)house
sam is old enough ___(look) after himself
she____(finish) three novels before i knew her

优质解答

two-room
to look
had finished (因为knew本身是过去式,在此之前,当然是过去的过去,用过去完成时)

追问：

someone attacked him with a knife and he _____(bleed) 填什么？求解。。

追答：

bled （bleed的过去式） 流血