单项选择题

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．T-shirts are suitable for home wear.B．T-shirts are smart and comfortable.C．T-shirts go well with trousers.D．T-shirts feel soft and wash well.
A．T-shirts are suitable for home wear.
B．T-shirts are smart and comfortable.
C．T-shirts go well with trousers.
D．T-shirts feel soft and wash well.
单项选择题
A．Both speakers think half of the staff are efficient.B．The man has an unfavorable opinion of the staff, but the woman does not.C．Neither of them has a favorable opinion of the staff.D．Tile woman is a restaurant manager herself.
A．Both speakers think half of the staff are efficient.
B．The man has an unfavorable opinion of the staff, but the woman does not.
C．Neither of them has a favorable opinion of the staff.
D．Tile woman is a restaurant manager herself.
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