-Though radio and television are ____ popular in the world today, I think the TV is ____ useful.--Of course, on TV we can see and hear what is going on home and abroad.
Lily and I are in ______ grades, but we are good ______.
—Is her name Lily? —Yes, ______ is.
—Are they from England? —_______.
These are my shoes. Yours ______ yellow.
—______ is this? —It's yellow.