Look! Those boys ________ football.
When do you get ________ Shanghai? [ ]
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?
Many teenagers_______ the old and they often offer their seats to the old on buses.
The big flood last week affected(影响) ________ people’s lives, and _______ them died.