They surveyed the area __ the tomb faced south.A.make sure B.making sure C.to make sure
-_______students are there in your class,Mr Li? -Fifty.
---How’s your mum? ---She’s .
---What color are the cats? ---I think white and black.
Where are the_____?
_______are good friends.A. Jack and IB.I and JackC. Jack and me