Do you know _______ they got to know each other?—It was last year_______ they both taught Chinese in Scotland.

She would say she was kept very busy, ____ she meant to refuse his invitation to dinner．

_______ cooking, writing and running the farm, she was very busy

Now that you have a job, you must exert (努力) yourself in ______ you do at work.

Daniel lives _______ his family _______ a flat _______ a quiet street.