—Are you free tomorrow? I was wondering if we could have lunch together. — No, I'm afraid not. I John then.
There were some chairs left over________everyone had sat down.
She had just finished her homework________her mother asked her to practise playing the piano yesterday.
Tom was about to close the window his attention was caught by a bird.
—Could I use your computer for a few moments,please?—________.I’m not using it myself.
—Could I ask you a rather personal question?—Sure,________.