quEstions 18 to 20 ArE BAsED on thE Following pAssAgE.At thE EnD oF thE pAssAgE, you will BE givEn 15 sEConDs to AnswEr thE quEstions.
now listEn to thE pAssAgE.
whAt milk is usED to mAkE ChEEsE nowA．goAts’ milk.
B．Cows’ milk.
C、trADitionAl milk.
D．importED milk.