To sit (舒适地) , passengers aren't supposed to eat or drink on the subway.
Hainan is in the (南方)of China.
In autumn, quite a few (树叶) turn yellow and fall off the trees.
Computers were (发明) not long ago, but they are very useful for us.
So far, (千) of people have died of COVID﹣19.
Could I (借) your dictionary?