Yesterday we asked ten students at No.1 Middie school______ last weekend.
空格中为什么是填：what they did呢?那是什么时候填：they did what
what they did中的what是【连接代词】,连接一个【宾语从句】,英语的【宾语从句】需要【连词代词或连接副词】来【引导】,且句子用【陈述语序】.they did what 中的【连接代词what】应该放在【宾语从句的句首】,不能放在宾语从句的后面.把what放在宾语句子的后面they did what是受中文的影响.