_____worried about me,Mom.I’ve grown up.
— Mum, have you seen my mobile phone?—_________you bought last week? I’m sorry I haven’t seen _________.
They have ________for about ten years.
They all thought________ necessary________ you to buy some bread and soft drinks.
This work is _________difficult for us. We need _________people.
I lost________ key to the door yesterday. It was________ unlucky day for me.