What’s the best way to ____ the disease caused by biting insects?——Ah, don’ t bite any!

s Tom is, exercise has alwaysbeen______his work

Although I try to talk to my classmates, I still find _____ hard to make good friends with them.

This is a new problem _____in the popularity of private cars _____road conditions need to be improved [ ]

eel sure that ______ qualification, abilityand experience, you are abundantly suited to the position we have in mind