按要求改写下列句子。 1.We study English together.(根据A句完成B句,使两句意思相近) ________ ________ English together. 2.The man in the white car is his father.(对划线部分提问) ________ ________ is his father? 3.She read the book under the tree yesterday afternoon(改成一般疑问句) ________ she ________ the book under the tree yesterday afternoon? 4.He has to work for ten hours every day.(对划线部分提问) ________ ________ ________ he ________ to work every day? 5.A.The doctor can do nothing to help the boy.(根据A句完成B句,使两句意思相近) B.The doctor ________ ________ ________ to help the boy.