14.As we all know, it takes ten years to grow trees but a hundred to rear people, which means it will be ________ one becomes a useful person.
We can hardly believe what she says because she is ___changing her mind.
After he retired from office, Tom ___ painting for a while , but soon lost interest.
At first ___ , the bag seems made of real leather, but actually it is just an imitation.
Can you tell us what horses _______?
He said that he didn’t know ______ to deal with the matter, so I left.