It was a meeting _________importance I did not realize at that time.
_____ the football game will be held on time largely depends on the weather.
– How long _____ in this job? – Since 1990.
I regret _____ more time with my grandma before she passed away.
The film was set in a town _____ is now part of Jiangsu Province.
Though _____ with different medicines, the patient hasn’t recovered from the mysterious illness yet.