As it turned out to be a small house party, we _____ so formally.

Looking people in the eye ______ sometimes make them nervous and embarrassed．

I’m going to Sanya for my holiday tomorrow.—_______

_ children get older, they become more and moreinterested in everything

g in hospital and taking special medicines________ drug users an opportunity to stay away from drugs, which is________the key to breaking the addiction to drugs lies