There's a saying, “Life is 10% ________ happens to us and 90% ________ we choose to react to it.”
90 % of the debts _______ so far.
________cash crops will be produced next year is not yet decided.
He is ______ to come back tonight. Then we’ll have a small party.
As we all know, Jack is experienced _____ the problem of this kind.
I could have helped him out, to tell the truth, I _____ too busy.