How can we get this language point _____ to the students.

New digital mobile phones definitely produce less radiation, but that doesn’t ______ mean that they should be used without caution. 

With the word“PM2．5"_____ appearing in media reports，people pay greater attention to it and seek health tips for smoggy days．

----You look tired, Jack. ----I feel quite rested, _______.

--How ___ do you go to the cinema?---Once a week.