We should spend more time our study.
It is not (礼貌的) to make too much noise while eating or drinking.
Lulu's best friend never gives up her (梦想) of being a teacher.
If you would like to (讨论) the matter further,please call me.
I've (已经) seen that film,so I'd rather see another one.
(参观者)must show their health QR codes and check their temperature before they go into the museum.