The kind old lady offered to ________the poor homeless stranger.
主从复合句 名词性从句:主语、表语、宾语与同位语从句及其连接代词、连词与副词 . It didn’t surprise us at all ________ he was post to Hong Kong.
. – Do you have a mobile phone? – Yes, ________.
简单句:陈述句、疑问句、祈使句、感叹句与并列结构、并列句与并列连词及常用与特殊句型、语序 . Tim seldom failed in his exam, ________?
. The man standing there can’t be a university student, ________?
. He must be curious about everything in the lab, for this/that/it is the first time that he has been there, ________?