句型转换

1. I have a pet named Panpan. (改为同义句)

    I have a pet          Panpan.

2. Shall we go for a walk? (改为同义句)

                going for a walk?

3. How do you like the gift？(改为同义句)

                                              the gift?

4. I think he will come here. (改为否定句)

    I         think he            come here.

5. The maths problem is very difficult. 

    I can't work it out. (合并为一句)

    The maths problem is            difficult 

                           work out.

电子战也被称为（）。

A.第一维战争

B.第二维战争

C.第三维战争

D.第四维战争