I suggested he work out a new plan but he didn’t ________it.
In life, you will _________ many unexpected things. If not so, what is the meaning of life?
The WTO urged that all the countries ________ measures to prevent swine flu spreading.
Frank put the medicine in a top drawer to make sure it would not be ______ to the kids.
Nowadays people sometimes separate their waste to make it easier for it _______.
Life is like a long race ________ we compete with others to go beyond ourselves.