The girl arranged to take violin lessons at the training center with her mother ________ she would stay for an hour.

－Are you going to take the job?－Certainly, though the salary is not so good，you know

We all know the truth ______ there are air, water and sunlight, there are living things

Who isn’t ____ today—Wang Lin is.

What does ‘GMT’ ______?—Greenwich Mean Time., I think.