Smoking, ____ some smokers, might ease their anxiety sometimes, but ____ the addiction caused by their constant practice, it is really hard to give up.

na, __________ pressure to pass________ exams gives students the impression that learning comes fromtextbooks.

It is hard for me to imagine what I would be doing today if I _____ in love, at the age of seven, with the Melinda Cox Library in my hometown. [ ]

_____ the work better, but you didn’t put moreefforts to it

When_____the accident________?