You and I could hardly work together, _____ ?

How do you usually go to work–I usually drive，but if it is fine，I ______ by bike

What did the young man come to your company for— He wanted a job, _______could help him support his family.

Hard work ______ success while failure often ______ laziness.

Care of the soul is a gradual process ________ even the small details of life should be considered. (2012·湖南，34)