I don’t know the reason you were late for the meeting, but I’m sure someone will tell me you don’t want to explain.
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.