12______ now and then, the six-party talk on the North Korea Nuclear Issue will restart next month, ______

I haven’t seen ________Maggie since I came here

Do you know the reason _________ pilotsturn off the plane’s lights before taking off —The practice is for the passengers toadjust to the dark _________ an emergency.

How often do you watch TV, Tom –_______________.

How did you find the albums ‘ MusicVoyager’ and ‘Heaven’ by JJ Lam— Wonderful. It’s ____ worth ________.