These two countries are similar theyboth have a high snowfall during winter

You are Jim’s sister, aren’t you—_________.

Since ______ to the world, the dance “GangnamStyle”has caused a release of a certain feeling.

I think I was at school, _____ I was staying with a friend during the vacation when I heard the news[ ]

If we don’t often use the newly learned words, we’ll _____ forget them.