All her energies are ______upon children and she seems to have little time for anything else.

My grandfather is too old to care for himself, so my aunt is looking for someone to _____ him.

What a pity! I missed meeting my boss at the airport because my car was _____ in the traffic jam.

Those who are ______ their present situation will surely make no more advance in life.

I _________ him for his success in business.