问题
选择题
Dogs are kept to ______ the houses from thieves at night.
A．guard
B．defend
C．protect
D．prevent
答案
答案：A
这里用guard表示：保护, 控制, 守卫, 保卫。
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Dogs are kept to ______ the houses from thieves at night.
A．guard
B．defend
C．protect
D．prevent
答案：A
这里用guard表示：保护, 控制, 守卫, 保卫。