(届北京市朝阳区高三第一次综合练习英语试卷)—Putting on a happy face not only helps us make friends but also makes us feel better. —_______.
For many years, people electric cars. However, making them has been more difficult than predicted.
—Would she mind playing against her former teammates? —She is willing to play against any tough players.
It is uncertain side effect the medicine will bring about, although about two thousand patients have taken it.
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
I guess we’ve already talked about this before but I’ll ask you again just .