Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉).
_________. Is this your pen?
We have sweaters ________all colors 50 yuan each.
The girl is Kate Green. Kate is her______ name.A.family B.last C.first
This box is____. Thank you for giving it back (还给)to me.A. your B. mine C. my
This is my cousin. ____ name’s Tom.A. He B. His C. Her