With the help of __________ people, I can be more successful in volunteer work.
It is dangerous to __________ in the forest,because you are easily lost.
The dictionary __________ 10,000 words,__________ many in science.
The policeman stopped the stranger and asked him where he __________.
_________ you are right in refusing to join that club.
Life is like a long race __________ we compete with others to go beyond ourselves.