All the ________ are made of ___________, not plastics.
A. glass, glass
B. glasses, glass
C. glass, glasses
D. glasses, glasses
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A group of __________ are eating ________ and_________ at the foot of the hill.
A. sheep, grass, leaves
B. sheeps, grasses, leaves
C. sheep, grass, leaf
D. sheeps, grass, leaf
About 60 ________ of the population in our country ________ on farms.
A. percent, lives
B. percents, lives
C. percent, live
D. percents, live
----How many ____________ does a cow have? ----- Four.
A. stomaches
B. stomach
C. stomachs
D. stomachies
Father went to his doctor for ____________ about his heart trouble.
A. an advice
B. advice
C. advices
D. the advice