diamonds are very impressive as they are mined钻石刚开采时并不光彩照人.diamonds are very impressive as they are mined钻石刚开采时并不光彩照人.英语有语法错误吗?as可以改成at吗?

____healthy are you?Im very heaithy. diamonds are very impressive as they are mined钻石刚开采时并不光彩照人.diamonds are very impressive as they are mined钻石刚开采时并不光彩照人.英语有语法错误吗?as可以改成at吗? diamonds diamonds do not look very impressive as they are mined钻石刚开采时并不光彩照人.这里为什么是do not 而不是are not [英文]Diamonds, as they are first mined, do not look very impressive.[意思]钻石刚开采时并不光彩照人 这里 as 能不能用 when ? Ur photos are impressive...very nice..Im from Tangor Ur homemate. ( )Are you Li peng快填选择Im sorry EXCUSE me Thank you very good IM VERY VERY HAPPY ,BEACUSE OF YOU 请问这里的where从句是什么从句,担任什么句子成份there are only four areas where very many diamonds have heen found.请问这里where very many diamonds have heen found从句担任什么句子成份where从句是什么从句,为什 Diamonds are a girl's best friend.大概意思? you are worth more than diamonds 如题 翻译It Andrey from Saint-Petersburg! Im also very glad to be your friend! How are you? What u doing ｛ ｝are you Im fine,thank. you are out never im How old are you?Im( ) If You Are The One----- Diamonds are a girl's best friend这是什么意思. Im im