l bought these books for my friends 改为一般疑问句Russia sent the first aniamal into space改为否定句 拜托啦!~~~

books,i,these,bought,yesterday,are,the l bought these for my friends 翻译 l,bought,some,books(对划线部分提问)some,books books i these bought yesterday are the连词组句 How have you ____ these books?borrowed,lent,kept,bought 改同义句：l bought several books .l bought ---- ---- books.a few对吗? l bought these books for my friends 改为一般疑问句Russia sent the first aniamal into space改为否定句 拜托啦!~~~ 英语连词成句 books,I,these,bought,yesterday,are,the he's the man who he says bought these books.这句语法有没有错? 将下列单词组成一条句子books,I,these,bought,yesterday,are,the I （like） these books very much.when were they（ bought）为什么可以这样填空?为什么是“when were they（ bought）”而不是“when did they bought? what l bought were three English books 翻译成中文是什么 he says he's the man who bought these books开头改成he said 后面部分要怎么改? how long have you () these books --For tow weeks.A.borrowed b.lent c.kept d.bought . I () these books for three years.A,bought B,have bought C,have had (请简要说明为什么选此答案） These are ()() my books. Are these books ( )(your)? These books are _____.