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．His telephone went out of order.B．The buyers had to leave soon.C．He began to work at 8 a.m.D．He had made an appointment with her for 8 a.m.
A．His telephone went out of order.
B．The buyers had to leave soon.
C．He began to work at 8 a.m.
D．He had made an appointment with her for 8 a.m.
单项选择题
A．Sunday morning, 11 o’clock.B．Thursday morning, around 10 o’clock.C．Friday morning, around 10 o’clock.D．Monday morning, 11 o’clock
A．Sunday morning, 11 o’clock.
B．Thursday morning, around 10 o’clock.
C．Friday morning, around 10 o’clock.
D．Monday morning, 11 o’clock
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