어법상 옳지 않은 것은?
① Although there was no indication that either side planned to resume full-scale hostilities, the
killings escalated tensions.
② The Islamist movement has vowed to resume rocket fire if Israel does not fully open the
border crossings.
③ Egypt has also reacted coolly to suggestions that European troops be stationed on the border
between Gaza and Egypt to monitor activity in smugglers' tunnels.
④ Hamas also agreed that day temporarily stop firing rockets into Israel.