He hurried to the station only _______ that the train had left.
A:to find
B:finding
C:found
D:to have found
①除了你,谁是我在无遮无拦天空下的yīn bì____。
②那像是滑轮的响声,很不引人注意,又像是干皱的薄膜隐隐约约的 xī sū____作响。
③我看见奔流似的马群,深夜 háo míng____的蒙古狗。
④他从唐诗下手,目不窥园,足不下楼,wù wù qióng nián ____,沥尽心血。