It was not until he became very ill ______ he went to see a doctor.

______ bright a talker you are, there are time when it’s better to remain silent.

A new school has．been set up ______ there was nothing a year ago but ruins．

—What should I wear to attend his wedding party? —Dress ____ you like.

You can only be sure of_________ you have at present; you cannot be sure of something _____ you might get in the future.