Elephants have their own way to tell the shape of an object and _______ it is rough or smooth.

A. /                               B. whether                    C. how                         D. what

Elephants have their own way to tell the shape of an object and ________ it is rough or smooth.     

A. 不填                B. whether                C. how                D. Which

Elephants have their own way to tell the shape of an object and _______ it is rough or smooth.

A. / B. whether ?

C. how D. what?

Elephants have their own way to tell the shape of an object and ________ it is rough or smooth.     

A. 不填      B. whether        C. how       D. Which

Elephants have their own way to tell the shape of an object and _______ it is rough or smooth.

A. /                               B. whether                     C. how                    D. what

Elephants have their own way to tell the shape of an object and _________ it is rough or smooth．

         A．不填           B．whether          C．how             D．what

 Elephants have their own way to tell the shape of an object and       it is rough or smooth .

A. 不填      B. whether      C. how      D. what

Elephants have their own way to tell the shape of an object and _________ it is rough or smooth

1. A.
   不填
2. B.
   whether
3. C.
   how
4. D.
   what