If a substance has a higher density, ____ 2, 000kg/ m?, it will not float on water.

A. say 　　　B. tell 　　 C. speak 　　　　 D. call

If a substance has a higher density, ____ 2, 000kg/ m³, it will not float on water.

If a substance has a higher density,           2,000kg/m², it will not float on water.

       A．say                     B．tell                      C．speak                  D．call

 If a substance has a higher density, ____ 2, 000kg/ m³, it will not float on water.

A. say               B. tell                 C. speak                D. call

If a substance has a higher density, ________, 2,000kg/m², it will not float on water．

1. A.
   say
2. B.
   tell
3. C.
   speak
4. D.
   call