You can go out, _________you promise to be back before 11 o'clock.
If you _________ the magazine, you will get an extra newspaper.
Jack could have avoided that terrible car accident, but he ________ careful enough.
Much to the disappointment of the neighboring countries, the Japanese government refuses to admit ____ crime they committed in ______ World War II in the history.
It’s was in the rice field _____ we had our league meeting.
We are living in an age _____ many things are done on computer.