This is the boy ----------I think (who/that)is the smartest.是用that 还是who?

what is this a boy 还是what is this the boy错了。是who is a boy 还是who is the boy who is This boy this is the boy( ) father died three years ago The boy is my brother.This boy is my brother.都对吗 this is the boy with whom he talked等于this is the boy whom he talked with? This boy is Tom.Green(就划线部分提问) ___ ___ the boy this boy is my friend This Boy Is Mine 歌词 This boy is my b_______ Is this a boy?回答 This is the boy ----------I think (who/that)is the smartest.是用that 还是who? 改同义句'This boy is taller than any other boy in the classThis boy is_____ _____in the class不好意思应该是三条横线 The boy hates this翻译 同义句：This boy works hard.This is ( ) ( ) boy the boy is singing what is the boy where is the boy the boy is