Did you callon any of your old friends when you returned to your hometown—_______ ofthem They were all very busy

We firmly believe that war never settlesanything．It onlyviolence．

It was not until dark ________ he found ________ he thought was the correct way to solve the problem.

The program “Master’s Lectures” of CCTV is both interesting and instructive. No wonder it_______ a large audience.

I like talking on the phone with my friends. –_________.