This is Mr.Smith, ________ I think has something interesting to tell you.
At school, some students are active ________some are shy, yet they can be good friends with one another.
Leave your key with your neighbor ________ you lock yourself out one day.
You have to move out of the way ________ the truck cannot get past you.
One's life has value________ one brings value to the life of others.
(2013·辽宁卷)One can always manage to do more things,no matter full one’s schedule is in life.