The self﹣driving plane proves to be useful in many ways.___smart invention it is!( )
A. |
What |
B. |
What a |
C. |
What an |
D. |
How |
The self﹣driving plane proves to be useful in many ways.___smart invention it is!( )
A. |
What |
B. |
What a |
C. |
What an |
D. |
How |