didn‘t have
why don‘t you=why not（后动词为原形）解释为为什么不.是固定搭配 不过也要观察时态、last weekend为过去时
记住这个形式有利于你以后做题
flight 飞翔,飞行 2.(飞机的)班次;(某班次的)飞机;搭机旅行;飞机的航程
foreigners加er为外国人复数加sThe aports meeting__(last)for two days,We were very happy谢谢.我会采纳的。