Not until then did I find it _________to do the job that way.
As is known to us, happiness consists ____ appreciating ____ you have.
I feel it is your husband who ________ for the spoiled child .
Only the factory ____ yesterday ____ this kind of machines.
The boy is often found _____in reading books.
Nowadays no one can ignore the power of____, because they can expose the truth to the public so as to solve the problems.