what I bought yesterday ______ some books.请问填什么啊?答案是were,

what I bought yesterday ______ some books.请问填什么啊?答案是were, I bought some books xxxxxxxxx were very useful. What were you bought yesterday. i bought some interesting books yesterday,还为同义句,i bought____ Tomorrow is my birthday,i bought (i)some books yesterday求讲解和 books,i,these,bought,yesterday,are,the I bought ( ) exercise books with ( ) money.()里填什么? Some new books were given them yesterday 那I bought present ( ) my sister yesterday.填什么? That book is the one 【 】 I bought yesterday 填什么 I dropped some books yesterday.提问some books I bought some milk yesterday?(对some画线部分提问) 为什么是how much?