It is very important for us to _______and work hard.
About ________ of the workers in the factory were born in the ___________.
--- Mum, have you seen my mobile phone? ---_______you bought last week? I’m sorry I haven’t seen _______.
In the United States, Father’s Day falls on ______ third Sunday in _____ June.
________ people lost their lives in the earthquake.
The old man lives _______. So he often feels ________.