There are many ways ______ the festival. Which one do you like

_______from what he did，he isn’t a person to depend on.

Modern science has given clear evidence ________ smoking can lead to many diseases.[ ]

We still cannot persuade him to give up smoking ____ hard we tried.

So far, large quantities of information _____ sent to the company by email, which has a great effect on improving the quality of its products.