单项选择题

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A.Because they did not eat other animals.
B.Because they were useful for protection.
C.Because they were good hunters.
D.Because they always obeyed their masters.
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单项选择题
A.For protection against other animals.B.For protection against other dogs.C.Just for fun.D.For the purpose of guarding the hous
A.For protection against other animals.
B.For protection against other dogs.
C.Just for fun.
D.For the purpose of guarding the hous
单项选择题
A.The silk T-shirt in white color.B.The cotton T-shirt with a slogan or picture.C.The nylon T-shirt worn on playground.D.The wool T-shirt worn for work.
A.The silk T-shirt in white color.
B.The cotton T-shirt with a slogan or picture.
C.The nylon T-shirt worn on playground.
D.The wool T-shirt worn for work.
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