The mobile phone has influenced people’s life a lot since it .
The black bag _________ be Anna’s. She has a blue one.
I am wondering ______________.
---What was Jim wearing at the party? --- Nothing _______. He was in his usual shirt and jeans.
---What did you do yesterday? ---My brother took two friends of _______ to play chess with us. But I don’t know ________ of them.
---The girls are talking about the art festival _________. ---Yes. They have so many fun things to share.