To enjoy a better future, you should ____________ difficulties when you are faced with them.

Helen always helps her mother even though going to school ____ most of her day.

Although they are divorced, he still has regular _______ to the children.

In order to go to a famous university, you must ________ each of the three years in Senior High School. 

Due to the policy of free highway fees on major holidays, too many passenger cars are trapped on the highways, causing heavy traffic jams, some even _________ for several hours.