A kilo of rice what ...would you like? My sister needs ....of beef? Lan and Loa are going......vacation this summer

a kilo of rice what ...would you like 
A. anything
b. something
c. else
d. ∅
my sister needs ....of beef 
 a.a half kilo
b. half kilos
c. half a kilo
d. kilo 
lan and hoa are going......vacation this summer
a.on
b. to
c. for
d. at