Think of one word only which can be used appropriately in all twosentences

Think of one word only which can be used appropriately in all two
sentences.
1. I think she’s got a very good _____________ of succeeding as a musician because
she’s very talented.
He took the job because it was his only ____________ of earning a living.
By ___________, the two of us happened to be at the airport at exactly the same time.

2. Could you _____________ me at the next corner? I can walk from there.
The temperature tends to _____________ sharply at night at this time of year.
I think we should _____________ this subject before we have a big argument about it.
                                   giúp mik vs, mik đg cần gấp mik cám mon nha :)))