Leave your key with your neighbor ________ you lock yourself out one day.(2012·辽宁)

依次填入下面一段文字横线处的语句，衔接最恰当的一组是在中国诗歌史上，先秦时代的《诗经》《楚辞》是两位老祖宗，________。________，________。________，________，________，可以毫不夸张地说，没有汉魏六朝诗歌的长期积累，就不会有唐诗的繁荣。①不论在内容题材方面还是在形式技巧方面②因此，对于唐宋以来长期流行的五、七言诗来说③对后代产生了深远的影响④而且《诗经》为四言体，《楚辞》为骚体，都不是五、七言体⑤但《诗经》《楚辞》的题材内容、表现技巧不及汉魏六朝诗⑥汉魏六朝诗的影响，都更为广泛和直接

We are informed that the Weifang International Kite Festival starts at 7:00 —Oh, I didn’t expect it was so early! I ____ to go out for dinner with my friends first

Mary has been abroad for 6 months. I have written to her but I haven’t had time.

ritain has agreed to join the China-led international development bank – Asian Infrastructure Investment Bank , German and Italy will follow suit.