多项选择题

It has been replaced （） dead-bolt locks, security chains, electronic alarmsystems and trip wires hooked up to a police station or private guard firm

A.by
B.and
C.death
D.In

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问答题
trip wires ___（）___ up to a police station or private guard firm.
答案：["hooked"]
多项选择题
—1 hve sore throt．—__________ you should see doctor．My B．Mybe C．Cn D．Myb1． —1 hve sore throt． —__________ you should see doctor．My B．Mybe C．Cn D．Mybe
A.May
B.Maybe
C.Can
D.Maybe