.With so many things ______ my mind, it took a long time before I I fell asleep.A.filling B. filled C. to fill D being filled
--What made Kate so excited yesterday? --________ by her boss, as far as I know.
For years, it was viewed as a serious problem, ________ that has never been really solved.
--We need a man full of wisdom to take charge of the project. --________ the young man graduating from Harvard have a try?
Due to circumstances ________ our control, the performance has to be canceled.
There are some tall trees in our campus, some ________ more than forty meters.