若a+b=-1，则a²+b²+2ab的值为（　　）

A．-1

B．1

C．2

D．-2

按要求写句子。

1．Miyoko has long blonde hair.（对画线部分提问）

                     Miyoko        like?  

2. Kate used to help Mum do homework. (对画线部分提问)

   What        Kate          to          ?

3. She used to go to the park on Sundays. (完成反意疑问句 )

   She used to go to the park on Sundays,                  ?

4. used to, a bridge, be, there, near the village,(连词成句)

                                             .

5. We can use knives to cut to things (用 be used for改写)

    Knives                             things.