Please give us________.
A. two glasses of milks B. two glasses of milk
C. two glass of milk D. two glass of milks
-- _______ teaspoons of salt do we need? --Two.
A. How B. How much C. How many D. How many of
I think there will be _____ people and ______pollution.
A. less, fewer B. less, more C. fewer, less D. fewer, fewer
It may take _________ years to make such robots .
A. hundred of B. two hundreds C. hundreds of D. hundred
