--- ______ does this scarf belong to? --- Let me see. Oh, it may be ______.
This is 3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
Mum, I’ve got the first prize in the photo competition. _______!
The movie_______ we saw last night was fantastic.
I don’t know________.Because he has to look after his mother.
Where are you going this month?We_________ go to Xiamen, but we’re not sure.