________ stopping polluting the earth ________ hope to live in a better environment.
I think I have great writing ______, but it’s a pity that I don’t have a chance to realize it.
Everyone has a stage in their life ______ they seem to have trouble in everything.
---Tom, you are so excited! What has happened?---______ I’ve passed the College Entrance Examination.
Alice’s kids are well-behaved, but ______ of her brother are impolite.
Jack _______ the test for further study in the college. Let’s have a party to congratulate him.