Recently, a team of eight medical experts has arrived in Shanxi Province to help to the latest vaccine incident.
I think I was at school, ____I was staying with a friend during the vacation when I heard the news.
There were two boys in the lab,_____did the experiment successfully.
After the new technique was introduced the factory produced ______cars in 1994 as the year before.
I am in_____ charge of the class which was in charge of my wife.
I didn’t like the story,________, it’s too long, also it was written by a writer I don’t know