Tony , why are you so happy —-Oh, you know , there________ a basketball match tomorrow.

Did you go to the lecture by the visiting professor?— No. I ______ it, but I’ve been busy taking care of my grandma in hospital these days.

Are you a teacher? —No, but I _______.

She often shares her deepest thoughts and fears withfriends through QQ, as if they______ chatting in her living room.

He improved his English a lot listening to the radio.