Do you ever quarrel ______ your family ______ which TV programme to watch— No, never.

The loss has not yet been ____ accurately, but it is believed to be well beyond a hundred million dollars.[ ]

This kind of picture storiesworth reading , but novels of that kindnot worth reading .

The reason____ Spielberg could not go to the Film Academy was his grades were too low.

ationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we’ve done to the environment.