—I an environmental report over the last few days, which should be submitted to the boss tomorrow.
A：wrote
B：was writing
C：had written
D：have been writing
读下面这段文字，根据拼音写出汉字。
青春是一个令人心chí____神往的美丽字眼，可又有多少人能理解它的精髓?青春如一杯香chún____的美酒，让人陶醉；青春如一缕和xù____的春风．令人qiè____意。不必嗤笑曾经年少轻狂，只要哭过、笑过、奋斗过，一切都会成为贮藏在内心深处最美丽的记忆。
六边形的对角线有____ 条．
