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题目内容
(国家开放大学理工英语1)
The __________ are eating _________ at the foot of the mountain.
选择一项:
A.
sheeps, grass
B.
sheep, grass
C.
sheeps, grasses
选择一项:
A.
sheeps, grass
B.
sheep, grass
C.
sheeps, grasses
参考答案