There are social media distractions on the same machine that they are supposed to be using to do their work.请问老师to do their work是做宾补还是目的状语?有没有区别两者的好方法?
But the progress has been uneven, (particularly in Africa, least developed countries, landlocked developing countries, and small island developing States)。请问括号内的内容属于句子的什么成分?地点状语吗?用法是如何?谢谢。
现在分词的完成式作状语通常都是表示其动作发生在主句动作之前,感觉此时的主句谓语通常都是用一般过去时。如:Having bought our tickets, we went into the theatre. 我们买好票后就走进剧场。Having packed up her things, she went to book her ticke...