Don't be （ patient）.We're sure to win the fight against COVID﹣19.
一What do you think of the film Hi，Mom？
一Wonderful.I have never seen a （interesting） film before.
Xiaoming （ usual） works as a volunteer and visits an old people's home at weekends.
Andrew is clever and hard﹣working.He often works out some problems very e .
In 1961,Yuan Longping found a natural hybrid rice plant that had many a over others.