Have you heard Tianzhou﹣1,the first cargo spaceship(货运飞船) was sent up into space on April 20,2017in Hainan?
Yes,we're proud that it's independently d by China.
It is raining outside. Why not (take)an umbrella with you?
As we all know, Teachers' Day is in the (nine)month of the year. It is the best time for
us to show our love and respect to them.
Before you answer the question, please think it (careful).
I didn't watch TV last night, because my TV set was (break).
There are many (different) between the twins. One is shy, but the other is outgoing.