Earth is believed ______ by an object the size of Mars at some point in the distant past before itssurface cooled.
Is there anything to you?
has been announced,we shall have our final exam next month.
We are going to spend the Spring Festival in Guangzhou,live my grandparents and some relatives. •
I can think of many cases students obviously knew a lot of English words and expressions but couldn' t write a good essay.
---Call me when you get to your school. ---OK, ____.