The boy is helping his teacher ______(plant) trees in his school.

The boy is helping an old man cross the street改为一般疑问句 The boy ________is helping the old man is John's brother用疑问代词填空 The boy is helping his teacher ______(plant) trees in his school. Do you know the little boy ( )is helping the old man cross the road A.which B.who C.whom The rich is helping the poor. the boy is singing what is the boy where is the boy the boy is h0w is the boy. The boy is( )school? The internet is helping promote the economic 这里的promote和 is helping分别是什么用法? who is that boy?H( )is jack. The boy is very h().He's e()the football g().括号里怎么填? sam is helping the little girl.对 helping the little girl提问 The boy is ( )the window? The little boy is very ﹙﹚to see his mother h开头的某个词 英语连词成句,(P.S.:N和H都是大写)the Nick boy Hand is )