Listen!Our science teacher _______________the use of the robot.
explains
explained
is explaining
has explained
——What do you expect ______ from your hard work? ——Nothing, I just want to try my best.
Sydney Opera House ______ a usual theatre and it symbolizes Australia.
My parents the Voice of China on TV.
I hope my best friend _________ to my birthday party next Sunday.
The Art Festival _______ in our school next month.