since,have,l,the,piano,been,practising,10点30分的正确排列

Since l metyou.l have all the happiness in the word l have known her since l have come here 改错 since,have,l,the,piano,been,practising,10点30分的正确排列 how have you been since l saw you last英译中 什么是“PIA PIA”? I ________ table tennis quite well,but l haven’t had time to play since the New YorkA.will play B have played C.play l have been studying for the test since last night可以这样写吗?还有My hobby is to play computer games.可以这样吗？不是ing行吗 Since l meet you,my world is full of the l have lived in shanghai since l(),填bear的适当形式 She have bought the computer since three years ago Since then,the heart will always have you.Loving sister. I have joined the club since three years ago The man___(have to stay)chare to here since yesterday the p____ have taken many pictures since they came here The children have been whaching TV since 9:00. The following features have been added since version The receipts have increased since last year.since是什么词性..为什么 I have stayed at home in the country since 2007,since 2007划线提问,怎么提问?