无误+快捷leftthedoorHeleftthebackdooropenonemorningandwasheld12gun3bythreearmedrobbers.1.A.upB.forthC.byD.inE.off2.A.byB.atC.withD.toE.for3.A.pointB.pointed主要是在选择上当时如何准确、确

Question

无误+快捷left the door
He left the back door open one morning and was held___1___ ___2___gun __3___ by three armed robbers.
1.A.up B.forth C.by D.in E.off
2.A.by B.at C.with D.to E.for
3.A.point B.pointed
主要是在选择上当时如何准确、确保 能把通畅、缜密谨严的解答过程
快捷至上,但要无误+快捷

Answer 1

He left the back door open one morning and was held up（被拦劫） at gunpoint（用枪威胁） by three armed robbers.
hold up 拦劫, 抢劫
They held up the owner and robbed him of everything.
他们劫持了货主, 并抢走了他的所有东西.
at gunpoint 用枪威胁
He is forced at gunpoint to open the safe
他在枪口的威胁下被迫去打开保险柜
We were robbed at gunpoint.
我们是在枪口的威胁下被抢劫的
Robbers held up a bank at gunpoint.
强盗持枪抢劫了一家银行.