It’s ___________ /'nesɪsərɪ/ for us to help parents do chores on weekends.
There are many flowers and trees on ______sides of the Century Road.
—Do you know Tom? —Sure, we have ______in the same village for many years.
—Sonia, do you think you are different from Linda? —Yes. I'm ______ at drawing than her.
Lin Shuhao is ______famous ______ all the basketball fans in China know him.
—Your paintings are so great, David! When did you learn ______? —Three years ago.