Our earth is becoming more and more （pollute） because of the rapid increase in population．
TianWen 1，China's （one） Mars probe （探测器） successfully entered space in February.
We are （excite） to see that Chinese vaccines （疫苗） are used around the world now.
Each of （we） should study hard and do something for our country.
The list of winners will （put） up on the school website.
I accepted an （invite） to the party from my friend.