_______ a boarding school would help students cultivate (培养) their independence while being away from their parents.
The weather was __________ cold that I didn't like to leave my room.
The air is deadly polluted because some factories don't __________ the rules to protect the environment.
John received an invitation to dinner, and with his work __________, he gladly accepted it.
Mike went to play football with most of his homework __________.
Now that we've discussed our problem, are people happy with the decisions __________?