Rather than discuss all of these questions _____, we focus on a few of them.[ ]

So necessary _____ it to learn about their customs that I will attend a special lecture next week.

How do you find Qingdao, Mary — It’s a beautiful seasidecity. I have _________ it for my next holiday.

licious, some western foods health.

I have _______homework to do at school, and I have ______rules at home.