---What do you think of their marriage? ---______, if I were Kate, I would not marry him.
______ advice I give him , he just does not listen.
—How would you like your coffee? —_______.
That passenger was very impolite to the conductor, ______, of course, made things even worse.
His experiment done in ______ summer of 1970 was ______ failure.
Once natural resources _____ , the consequence will be unimaginable.